Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2026-09-14
Ported from the following upstream stable releases:
v6.6.146, v6.12.98, v6.6.147
from git://git.kernel.org/
ext4: fix fd leak in EXT4_IOC_MOVE_EXT cross-sb validation
mm: refactor mm_access() to not return NULL
posix-cpu-timers: Prevent UAF caused by non-leader exec() race
UBUNTU: Upstream stable to v6.6.146, v6.12.98
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Noble)
Importance: Medium
Assignee: Bethany Jamison (bjamison)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Noble)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux (Ubuntu Noble)
Assignee: (unassigned) => Bethany Jamison (bjamison)
** Description changed:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2026-09-14
+
+ Ported from the following upstream stable releases:
+ v6.6.146, v6.12.98
+
from git://git.kernel.org/
+
+ ext4: fix fd leak in EXT4_IOC_MOVE_EXT cross-sb validation
+ mm: refactor mm_access() to not return NULL
+ posix-cpu-timers: Prevent UAF caused by non-leader exec() race
+ UBUNTU: Upstream stable to v6.6.146, v6.12.98
** Description changed:
+ SRU Justification
- SRU Justification
+ Impact:
+ The upstream process for stable tree updates is quite similar
+ in scope to the Ubuntu SRU process, e.g., each patch has to
+ demonstrably fix a bug, and each patch is vetted by upstream
+ by originating either directly from a mainline/stable Linux tree or
+ a minimally backported form of that patch. The following upstream
+ stable patches should be included in the Ubuntu kernel:
- Impact:
- The upstream process for stable tree updates is quite similar
- in scope to the Ubuntu SRU process, e.g., each patch has to
- demonstrably fix a bug, and each patch is vetted by upstream
- by originating either directly from a mainline/stable Linux tree or
- a minimally backported form of that patch. The following upstream
- stable patches should be included in the Ubuntu kernel:
+ upstream stable patchset 2026-09-14
- upstream stable patchset 2026-09-14
+ Ported from the following upstream stable releases:
+ v6.6.146, v6.12.98, v6.6.147
- Ported from the following upstream stable releases:
- v6.6.146, v6.12.98
-
- from git://git.kernel.org/
+ from git://git.kernel.org/
ext4: fix fd leak in EXT4_IOC_MOVE_EXT cross-sb validation
mm: refactor mm_access() to not return NULL
posix-cpu-timers: Prevent UAF caused by non-leader exec() race
UBUNTU: Upstream stable to v6.6.146, v6.12.98
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https://bugs.launchpad.net/bugs/2167237
Title:
Noble update: upstream stable patchset 2026-09-14
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