This bug was fixed in the package linux-azure - 6.14.0-1013.13
---------------
linux-azure (6.14.0-1013.13) plucky; urgency=medium
* plucky/linux-azure: 6.14.0-1013.13 -proposed tracker (LP: #2124023)
* azure: backport "hv_netvsc: Fix panic during namespace deletion with VF"
(LP: #2120803)
- hv_netvsc: Fix panic during namespace deletion with VF
* azure: backport various SMB multichannel fixes (LP: #2118807)
- cifs: reset connections for all channels when reconnect requested
- cifs: update dstaddr whenever channel iface is updated
- cifs: dns resolution is needed only for primary channel
- cifs: deal with the channel loading lag while picking channels
- cifs: serialize other channels when query server interfaces is pending
- cifs: do not disable interface polling on failure
- smb: client: fix potential deadlock when reconnecting channels
- smb: client: fix warning when reconnecting channel
* net: mana: Use page pool fragments for RX buffers instead of full pages to
improve memory efficiency (LP: #2121570)
- net: mana: Use page pool fragments for RX buffers instead of full pages
to improve memory efficiency.
[ Ubuntu: 6.14.0-33.33 ]
* plucky/linux: 6.14.0-33.33 -proposed tracker (LP: #2124042)
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
* 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-2025-38500
- xfrm: interface: fix use-after-free after changing collect_md xfrm
interface
* 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
-- John Cabaj <[email protected]> Fri, 19 Sep 2025 12:03:40
-0500
** Changed in: linux-azure (Ubuntu Plucky)
Status: Fix Committed => Fix Released
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38477
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38500
** 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/2121570
Title:
net: mana: Use page pool fragments for RX buffers instead of full
pages to improve memory efficiency
Status in linux-azure package in Ubuntu:
Fix Committed
Status in linux-azure-5.15 package in Ubuntu:
New
Status in linux-azure-5.15 source package in Focal:
Fix Committed
Status in linux-azure source package in Jammy:
Fix Committed
Status in linux-azure source package in Noble:
Fix Committed
Status in linux-azure source package in Plucky:
Fix Released
Status in linux-azure source package in Questing:
Fix Committed
Bug description:
SRU Justification
[Impact]
* Microsoft requested patch to improve RX buffer handling in MANA
driver
[Fix]
* Questing: simple backport of 730ff06d3f5c: "net: mana: Use page pool
fragments for RX buffers instead of full pages to improve memory efficiency."
from linux-next
* Plucky: simple backport of 730ff06d3f5c: "net: mana: Use page pool
fragments for RX buffers instead of full pages to improve memory efficiency."
from linux-next
* Noble: backport of 730ff06d3f5c: "net: mana: Use page pool fragments for RX
buffers instead of full pages to improve memory efficiency." from linux-next
* Jammy: backports of the following patches:
- 1705341485ff: "net: mana: Improve mana_set_channels() in low mem
conditions" upstream
- 730ff06d3f5c: "net: mana: Use page pool fragments for RX buffers instead
of full pages to improve memory efficiency." from linux-next
[Test Plan]
* Compile tested
* Microsoft tested
[Regression potential]
* Changes are localized to MANA. Possible regressions could result in
unexpected behavior of MANA driver.
[Other info]
* SF#00416936
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