APPLIED: [SRU][J/N/Q][PATCH 0/1] CVE-2026-23060

[Stefan Bader]

On 06/02/2026 00:51, Ian Whitfield wrote:
> [Impact]
> 
> crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec
> 
> authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than
> the minimum expected length, crypto_authenc_esn_decrypt() can advance past
> the end of the destination scatterlist and trigger a NULL pointer dereference
> in scatterwalk_map_and_copy(), leading to a kernel panic (DoS).
> 
> Add a minimum AAD length check to fail fast on invalid inputs.
> 
> [Backport]
> 
> The patch was applied cleanly.
> 
> [Fix]
> 
> Questing: Cherry-pick
> Noble: Cherry-pick
> Jammy: Cherry-pick
> Focal: PR on Forgejo
> Bionic: Sent to ESM ML
> Xenial: Sent to ESM ML
> Trusty: not affected
> 
> [Test Case]
> 
> Compile and boot tested.
> 
> [Where problems could occur]
> 
> This fix affects those who use the Authenc crypto module, which is required for
> the IPsec ESP protocol. An issue with this fix would be visible to the user via
> a kernel panic or failure to complete network transactions.
> 
> Taeyang Lee (1):
>    crypto: authencesn - reject too-short AAD (assoclen<8) to match
>      ESP/ESN spec
> 
>   crypto/authencesn.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 



Applied to questing,noble,jammy:linux/master-next. Thanks.

-Stefan


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