This bug was fixed in the package linux - 5.15.0-160.170
---------------
linux (5.15.0-160.170) jammy; urgency=medium
* jammy/linux: 5.15.0-160.170 -proposed tracker (LP: #2126548)
* [Regression Updates] System hangs when loading audit rules
(5.15.0-156.166) (LP: #2126434)
- netlink: avoid infinite retry looping in netlink_unicast()
linux (5.15.0-158.168) jammy; urgency=medium
* jammy/linux: 5.15.0-158.168 -proposed tracker (LP: #2124104)
* [UBUNTU 22.04] s390/pci: Handle PCI error codes other than 0x3a
(LP: #2120344)
- s390/pci: Handle PCI error codes other than 0x3a
* sources list generation using dwarfdump takes up to 0.5hr in build process
(LP: #2104911)
- [Packaging] Don't generate list of source files
* CVE-2024-26700
- drm/amd/display: Fix MST Null Ptr for RV
* CVE-2023-52593
- wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()
- wifi: wfx: fix memory leak when starting AP
- wifi: wfx: repair open network AP mode
* CVE-2025-38477
- net/sched: sch_qfq: Fix race condition on qfq_aggregate
- net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in
qfq_delete_class
* CVE-2025-38617
- net/packet: fix a race in packet_set_ring() and packet_notifier()
* CVE-2025-38618
- vsock: Do not allow binding to VMADDR_PORT_ANY
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
-- Stefan Bader <[email protected]> Wed, 01 Oct 2025 11:49:04
+0200
** Changed in: linux (Ubuntu Jammy)
Status: Fix Committed => Fix Released
** CVE added: https://cve.org/CVERecord?id=CVE-2023-52593
** CVE added: https://cve.org/CVERecord?id=CVE-2024-26700
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38477
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38617
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38618
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https://bugs.launchpad.net/bugs/2126434
Title:
[Regression Updates] System hangs when loading audit rules
(5.15.0-156.166)
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Fix Released
Bug description:
[SRU Justification]
== Impact ==
Upstream stable v5.15.189 / CVE-2025-38465 added
ae8f160e7eb2 ("netlink: Fix wraparounds of sk->sk_rmem_alloc.")
which is reported to cause soft-lockups / hangs on boot when loading auditd
rules.
Message from syslogd@usw745 at Sep 26 12:45:22 ...
kernel:[22208.861925] watchdog: BUG: soft lockup - CPU#65 stuck for 26s!
[kauditd:593]
[22208.862003] FS: 0000000000000000(0000) GS:ffff8e7f84c40000(0000)
knlGS:0000000000000000
[22208.862004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[22208.862005] CR2: 00007f6c313b1110 CR3: 0000006fa5c30005 CR4:
00000000007706e0
[22208.862009] PKRU: 55555554
[22208.862010] Call Trace:
[22208.862012] <TASK>
[22208.862017] ? wake_up_q+0x90/0x90
[22208.862022] netlink_unicast+0xb0/0x290
[22208.862024] kauditd_send_queue+0xb2/0x180
== Fix ==
This was fixed upstream with the following commit which is part of pending
v5.15.190
759dfc7d04ba netlink: avoid infinite retry looping in netlink_unicast()
== Testcase ==
Creating and loading auditd rules on boot (details TBD)
== Regression Potential ==
Anything related to netlink sockets.
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