ACK: [SRU][M/J][PATCH 0/1] CVE-2024-26736

Roxana Nicolescu roxana.nicolescu at canonical.com
Thu Apr 25 18:07:45 UTC 2024


On 18/04/2024 19:08, Bethany Jamison wrote:
> [Impact]
>
>   In the Linux kernel, the following vulnerability has been resolved:
>
>   afs: Increase buffer size in afs_update_volume_status()
>
>   The max length of volume->vid value is 20 characters.
>   So increase idbuf[] size up to 24 to avoid overflow.
>
>   Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
>   [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]
>
> [Fix]
>
> Mantic:	Clean cherry-pick from linux-6.6.y
> Jammy:	Mantic patch applied cleanly
> Focal:	pending
> Bionic:	fix sent to esm ML
> Xenial:	not-affected
> Trusty:	not-affected
>
> [Test Case]
>
> Compile and boot tested.
>
> [Where problems could occur]
>
> This fix affects those who use AFS (Andrew file system), an issue
> with this fix would be visable to the user with unpredicted system
> behavior or a system crash.
>
> Daniil Dulov (1):
>    afs: Increase buffer size in afs_update_volume_status()
>
>   fs/afs/volume.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
Acked-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>



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