ACK: [SRU][OEM-6.0][PATCH 0/1] CVE-2023-26605

Tim Gardner tim.gardner at canonical.com
Tue Mar 28 12:58:42 UTC 2023


On 3/27/23 12:14 PM, Yuxuan Luo wrote:
> [Impact]
> It was discovered that the file system writeback functionality in the Linux
> kernel contained a user-after-free vulnerability. A local attacker could
> possibly use this to cause a denial of service (system crash) or execute
> arbitrary code.
> 
> [Backport]
> Clean cherry pick.
> 
> [Test]
> Compile and boot tested.
> 
> [Potential Regression]
> Very low, since the change was about wrapping an additional condition check
> around existing code.
> 
> Svyatoslav Feldsherov (1):
>    fs: do not update freeing inode i_io_list
> 
>   fs/fs-writeback.c | 30 +++++++++++++++++++-----------
>   1 file changed, 19 insertions(+), 11 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
-----------
Tim Gardner
Canonical, Inc




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