This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu2.14.04.6
---
ntp (1:4.2.6.p5+dfsg-3ubuntu2.14.04.6) trusty; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in
This bug was fixed in the package ntp - 1:4.2.6.p3+dfsg-1ubuntu3.7
---
ntp (1:4.2.6.p3+dfsg-1ubuntu3.7) precise; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in
This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu2.14.04.6
---
ntp (1:4.2.6.p5+dfsg-3ubuntu2.14.04.6) trusty; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in
This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu6.3
---
ntp (1:4.2.6.p5+dfsg-3ubuntu6.3) vivid; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in ntpd/ntp_io.c
This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu6.3
---
ntp (1:4.2.6.p5+dfsg-3ubuntu6.3) vivid; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in ntpd/ntp_io.c
This bug was fixed in the package ntp - 1:4.2.6.p3+dfsg-1ubuntu3.7
---
ntp (1:4.2.6.p3+dfsg-1ubuntu3.7) precise; urgency=medium
* Fix use-after-free in routing socket code (closes: #795315)
- debian/patches/use-after-free-in-routing-socket.patch:
fix logic in
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Title:
NTP : Use-after-free in routing socket code after dropping root
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Title:
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Title:
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Title:
NTP : Use-after-free in routing socket code after
I've been using the -proposed package on 15 Trusty machines since it was
published. Again, I never was able to reproduce the original problem but
I saw no regression either.
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I've been using the -proposed package on 15 Trusty machines since it was
published. Again, I never was able to reproduce the original problem but
I saw no regression either.
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Title:
NTP : Use-after-free in routing socket code after dropping root
Hello Eric, or anyone else affected,
Accepted ntp into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu2.14.04.6 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Eric, or anyone else affected,
Accepted ntp into vivid-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu6.3 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Eric, or anyone else affected,
Accepted ntp into vivid-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu6.3 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Eric, or anyone else affected,
Accepted ntp into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu2.14.04.6 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
sponsored to precise/trusty/vivid (though i'm unsure vivid is useful
since it's not the current stable)
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Title:
NTP :
sponsored to precise/trusty/vivid (though i'm unsure vivid is useful
since it's not the current stable)
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Title:
NTP : Use-after-free in routing
** Tags added: sts
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Title:
NTP : Use-after-free in routing socket code after dropping root
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** Tags added: sts
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Title:
NTP : Use-after-free in routing socket code after dropping root
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** Patch removed: "debdiff for precise"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
** Patch removed: "debdiff for trusty"
** Patch removed: "debdiff for precise"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
** Patch removed: "debdiff for trusty"
Here is the rebase debdiff for Precise
** Patch added: "Rebase Precise debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508496/+files/lp1481388_rebase_precise.debdiff
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Here is the rebase debdiff for Vivid
** Patch added: "Rebase Vivid debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508498/+files/lp1481388_rebase_vivid.debdiff
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Here is the rebase debdiff for Trusty
** Patch added: "Rebase Trusty debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508494/+files/lp1481388_rebase_trusty.debdiff
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Here is the rebase debdiff for Trusty
** Patch added: "Rebase Trusty debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508494/+files/lp1481388_rebase_trusty.debdiff
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Here is the rebase debdiff for Precise
** Patch added: "Rebase Precise debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508496/+files/lp1481388_rebase_precise.debdiff
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Here is the rebase debdiff for Vivid
** Patch added: "Rebase Vivid debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4508498/+files/lp1481388_rebase_vivid.debdiff
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Hi Mathew,
I have the knowledge of the code, I will rebase the debdiffs for V/T/P
Note: I checked and Xenial has the patch already.
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Hi Mathew,
I have the knowledge of the code, I will rebase the debdiffs for V/T/P
Note: I checked and Xenial has the patch already.
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Title:
NTP : Use-after-free in routing socket code after
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Title:
NTP : Use-after-free in routing socket code after dropping root
Eric, I've been running the proposed version on many systems and haven't
found any regression. Do you think this would be ready to move on to
-updates now?
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Eric, I've been running the proposed version on many systems and haven't
found any regression. Do you think this would be ready to move on to
-updates now?
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Good evening Chris,
This bug has been brought to my attention by someone in the community.
Unfortunately, I never had a confirmation from him if the fix solve his
issue or not... but as state in comment #5 & #11, I've been able to
reproduce the problem and make sure it addressed the situation.
Good evening Chris,
This bug has been brought to my attention by someone in the community.
Unfortunately, I never had a confirmation from him if the fix solve his
issue or not... but as state in comment #5 & #11, I've been able to
reproduce the problem and make sure it addressed the situation.
Has anyone who was able to reproduce the original crash tested the
packages from trusty-proposed (or precise or vivid) to check that the
crash is actually fixed?
It's good that it doesn't seem to regress anything, but we also want to
know whether it *fixes* anything :)
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Has anyone who was able to reproduce the original crash tested the
packages from trusty-proposed (or precise or vivid) to check that the
crash is actually fixed?
It's good that it doesn't seem to regress anything, but we also want to
know whether it *fixes* anything :)
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This SRU has been shadowed by a security update and needs to be re-
merged.
** Changed in: ntp (Ubuntu Precise)
Status: Fix Committed => In Progress
** Changed in: ntp (Ubuntu Trusty)
Status: Fix Committed => In Progress
** Changed in: ntp (Ubuntu Vivid)
Status: Fix
This SRU has been shadowed by a security update and needs to be re-
merged.
** Changed in: ntp (Ubuntu Precise)
Status: Fix Committed => In Progress
** Changed in: ntp (Ubuntu Trusty)
Status: Fix Committed => In Progress
** Changed in: ntp (Ubuntu Vivid)
Status: Fix
Good evening Mathew,
Does it mean I need to re-do the debdiffs ?
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Title:
NTP : Use-after-free in routing socket code after
Good evening Mathew,
Does it mean I need to re-do the debdiffs ?
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Title:
NTP : Use-after-free in routing socket code after dropping root
To
I think it is probably necessary to rebase the debdiffs on the new
versions in case there are any confilcts. There were a lot of changes as
you can see here http://www.ubuntu.com/usn/usn-2783-1/ .
I don't have direct knowledge of the code though.
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I think it is probably necessary to rebase the debdiffs on the new
versions in case there are any confilcts. There were a lot of changes as
you can see here http://www.ubuntu.com/usn/usn-2783-1/ .
I don't have direct knowledge of the code though.
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Simon, you may want to add a few ethernet interfaces and static routes.
I was able to reproduce it with ~6 network interface.
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Title:
NTP :
Simon, you may want to add a few ethernet interfaces and static routes.
I was able to reproduce it with ~6 network interface.
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Err, I meant I couldn't reproduce the issue with and without the patch.
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Title:
NTP : Use-after-free in routing socket code after
Err, I meant I couldn't reproduce the issue with and without the patch.
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Title:
NTP : Use-after-free in routing socket code after dropping root
I tried to reproduce the problem by lowering {r,w}mem_max on Precise and
Trusty's *unpatched* version to no avail. On the up side, I couldn't
find any regression with the update version.
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I tried to reproduce the problem by lowering {r,w}mem_max on Precise and
Trusty's *unpatched* version to no avail. On the up side, I couldn't
find any regression with the update version.
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Eric, I don't know if that's a good test case but on my patched Trusty
box:
root@xeon:~# uname -a
Linux xeon 3.13.0-63-generic #103-Ubuntu SMP Fri Aug 14 21:42:59 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
root@xeon:~# sysctl net.core.wmem_max=4650
net.core.wmem_max = 4700
root@xeon:~#
Eric, I don't know if that's a good test case but on my patched Trusty
box:
root@xeon:~# uname -a
Linux xeon 3.13.0-63-generic #103-Ubuntu SMP Fri Aug 14 21:42:59 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
root@xeon:~# sysctl net.core.wmem_max=4650
net.core.wmem_max = 4700
root@xeon:~#
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** Branch linked: lp:ubuntu/vivid-proposed/ntp
** Branch linked: lp:ubuntu/precise-proposed/ntp
** Branch linked: lp:~ubuntu-branches/ubuntu/trusty/ntp/trusty-proposed
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** Branch linked: lp:ubuntu/vivid-proposed/ntp
** Branch linked: lp:ubuntu/precise-proposed/ntp
** Branch linked: lp:~ubuntu-branches/ubuntu/trusty/ntp/trusty-proposed
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Hello Eric, or anyone else affected,
Accepted ntp into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu2.14.04.4 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Eric, or anyone else affected,
Accepted ntp into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ntp/1:4.2.6.p5+dfsg-
3ubuntu2.14.04.4 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Changed in: ntp (Debian)
Status: Unknown => Fix Released
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Title:
NTP : Use-after-free in routing socket code after
** Changed in: ntp (Debian)
Status: Unknown => Fix Released
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Title:
NTP : Use-after-free in routing socket code after dropping root
To
** Branch linked: lp:ubuntu/ntp
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Title:
NTP : Use-after-free in routing socket code after dropping root
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Title:
NTP : Use-after-free in routing socket code after dropping root
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** Bug watch added: Debian Bug tracker #795315
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315
** Also affects: ntp (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315
Importance: Unknown
Status: Unknown
** Bug watch added: bugs.ntp.org/ #2224
** Bug watch added: Debian Bug tracker #795315
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315
** Also affects: ntp (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795315
Importance: Unknown
Status: Unknown
** Bug watch added: bugs.ntp.org/ #2224
ACK on the debdiffs, thanks!
I've slightly modified the whitespace in the changelog and have added
the bug number, and have uploaded it to wily, and to the other releases
for processing by the SRU team.
** Tags removed: verification-done
** Changed in: ntp (Ubuntu Wily)
Status: In
This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu7
---
ntp (1:4.2.6.p5+dfsg-3ubuntu7) wily; urgency=medium
* Fix use-after-free in routing socket code (LP: #1481388)
- debian/patches/use-after-free-in-routing-socket.patch
fix logic in ntpd/ntp_io.c
* Fix
This bug was fixed in the package ntp - 1:4.2.6.p5+dfsg-3ubuntu7
---
ntp (1:4.2.6.p5+dfsg-3ubuntu7) wily; urgency=medium
* Fix use-after-free in routing socket code (LP: #1481388)
- debian/patches/use-after-free-in-routing-socket.patch
fix logic in ntpd/ntp_io.c
* Fix
ACK on the debdiffs, thanks!
I've slightly modified the whitespace in the changelog and have added
the bug number, and have uploaded it to wily, and to the other releases
for processing by the SRU team.
** Tags removed: verification-done
** Changed in: ntp (Ubuntu Wily)
Status: In
debdiff for wily
** Patch added: "debdiff for wily"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456187/+files/lp1481388_wily.debdiff
** Changed in: ntp (Ubuntu Wily)
Status: Confirmed => In Progress
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** Changed in: ntp (Ubuntu Wily)
Importance: Low => Medium
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Title:
NTP : Use-after-free in routing socket code after dropping
** Changed in: ntp (Ubuntu Wily)
Importance: Low => Medium
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Title:
NTP : Use-after-free in routing socket code after dropping root
To manage
debdiff for vivid
** Patch added: "debdiff for vivid"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456186/+files/lp1481388_vivid.debdiff
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debdiff for vivid
** Patch added: "debdiff for vivid"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456186/+files/lp1481388_vivid.debdiff
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debdiff for wily
** Patch added: "debdiff for wily"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4456187/+files/lp1481388_wily.debdiff
** Changed in: ntp (Ubuntu Wily)
Status: Confirmed => In Progress
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** Patch removed: "debdiff for Vivid"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
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** Patch removed: "debdiff for Vivid"
https://bugs.launchpad.net/ubuntu/vivid/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
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debdiff for Vivid
** Patch added: "debdiff for Vivid"
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
** Changed in: ntp (Ubuntu Vivid)
Status: Confirmed => In Progress
** Changed in: ntp (Ubuntu Vivid)
debdiff for Vivid
** Patch added: "debdiff for Vivid"
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4455714/+files/lp1481388_vivid.debdiff
** Changed in: ntp (Ubuntu Vivid)
Status: Confirmed => In Progress
** Changed in: ntp (Ubuntu Vivid)
I also noticed the situation can be reproduced at boot if the value of
net.core.rmem_default is too low.
I reproduced it by only lowering the net.core.rmem_default = 2000
value with 6 network interface at boot.
ntpd[851]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
debdiff for trusty
** Patch added: 1:4.2.6.p5+dfsg-3ubuntu2.14.04.4
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4453392/+files/lp1481388_trusty.debdiff
** Changed in: ntp (Ubuntu Trusty)
Status: Confirmed = In Progress
** Changed in: ntp (Ubuntu
debdiff for trusty
** Patch added: 1:4.2.6.p5+dfsg-3ubuntu2.14.04.4
https://bugs.launchpad.net/ubuntu/precise/+source/ntp/+bug/1481388/+attachment/4453392/+files/lp1481388_trusty.debdiff
** Changed in: ntp (Ubuntu Trusty)
Status: Confirmed = In Progress
** Changed in: ntp (Ubuntu
I also noticed the situation can be reproduced at boot if the value of
net.core.rmem_default is too low.
I reproduced it by only lowering the net.core.rmem_default = 2000
value with 6 network interface at boot.
ntpd[851]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
** Changed in: ntp (Ubuntu Precise)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Vivid)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Precise)
Status: New = Confirmed
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** Changed in: ntp (Ubuntu Precise)
Importance: Undecided = Medium
** Changed in: ntp (Ubuntu Vivid)
Status: New = Confirmed
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debdiff for precise
** Description changed:
+ [Impact]
+
+ * User experienced repeated segfaults at the same instruction pointer
+
+ i/o error on routing socket No buffer space available - disabling
+ segfault at 31 ip 0031 sp 79f11788 error 14 in
debdiff for precise
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Title:
NTP : Use-after-free in routing socket code after dropping root
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debdiff for precise
** Patch added: debdiff for precise
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
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debdiff for precise
** Description changed:
+ [Impact]
+
+ * User experienced repeated segfaults at the same instruction pointer
+
+ i/o error on routing socket No buffer space available - disabling
+ segfault at 31 ip 0031 sp 79f11788 error 14 in
debdiff for precise
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https://bugs.launchpad.net/bugs/1481388
Title:
NTP : Use-after-free in routing socket code after dropping root
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debdiff for precise
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Title:
NTP : Use-after-free in routing socket code after dropping root
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debdiff for precise
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https://bugs.launchpad.net/bugs/1481388
Title:
NTP : Use-after-free in routing socket code after dropping root
To manage notifications about this
debdiff for precise
** Patch added: debdiff for precise
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1481388/+attachment/4452908/+files/lp1481388_precise.debdiff
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** Changed in: ntp (Ubuntu Precise)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Vivid)
Assignee: (unassigned) = Eric Desrochers (eric-desrochers-z)
** Changed in: ntp (Ubuntu Precise)
Status: New = Confirmed
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** Changed in: ntp (Ubuntu Precise)
Importance: Undecided = Medium
** Changed in: ntp (Ubuntu Vivid)
Status: New = Confirmed
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Title:
The attachment debdiff for precise seems to be a debdiff. The ubuntu-
sponsors team has been subscribed to the bug report so that they can
review and hopefully sponsor the debdiff. If the attachment isn't a
patch, please remove the patch flag from the attachment, remove the
patch tag, and if you
The attachment debdiff for precise seems to be a debdiff. The ubuntu-
sponsors team has been subscribed to the bug report so that they can
review and hopefully sponsor the debdiff. If the attachment isn't a
patch, please remove the patch flag from the attachment, remove the
patch tag, and if you
I was able to reproduce the problem on PRECISE (12.04) by lowering the
kernel parameter value net.core.rmem_max.
And then test my .deb build on my PPA[1] with the following upstream
commits :
- d6df9d3 [Bug 2224] Use-after-free in routing socket code after dropping root.
- db47bd4 [Bug 2890]
I was able to reproduce the problem on PRECISE (12.04) by lowering the
kernel parameter value net.core.rmem_max.
And then test my .deb build on my PPA[1] with the following upstream
commits :
- d6df9d3 [Bug 2224] Use-after-free in routing socket code after dropping root.
- db47bd4 [Bug 2890]
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