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:
v5.15.207 upstream stable release
Ported from the following upstream stable releases:
v5.15.204, v5.15.205, v5.15.206, v5.15.207
from git://git.kernel.org/
Buffer overflow in drivers/xen/sys-hypervisor.c
xen/privcmd: fix double free via VMA splitting
Linux 5.15.204
Linux 5.15.205
Linux 5.15.206
x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
Linux 5.15.207
UBUNTU: Upstream stable to v5.15.204, v5.15.205, v5.15.206, v5.15.207
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Jammy)
Importance: Medium
Assignee: Noah Wager (nwager)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Noah Wager (nwager)
** 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:
v5.15.207 upstream stable release
+
+ Ported from the following upstream stable releases:
+ v5.15.204, v5.15.205, v5.15.206, v5.15.207
+
from git://git.kernel.org/
-
+ Buffer overflow in drivers/xen/sys-hypervisor.c
+ xen/privcmd: fix double free via VMA splitting
+ Linux 5.15.204
+ Linux 5.15.205
+ Linux 5.15.206
+ x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
Linux 5.15.207
- x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
- x86/CPU/AMD: Add X86_FEATURE_ZEN1
- x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()
- x86/CPU/AMD: Call the spectral chicken in the Zen2 init function
- x86/CPU/AMD: Add ZenX generations flags
- ptrace: slightly saner 'get_dumpable()' logic
+ UBUNTU: Upstream stable to v5.15.204, v5.15.205, v5.15.206, v5.15.207
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https://bugs.launchpad.net/bugs/2156629
Title:
Jammy update: v5.15.207 upstream stable release
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