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NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-debug-modules-partner  (opens in a new tab)

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EPSS
0.59% (45th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELDEBUGMODULESPARTNER-14203977
  • published6 Dec 2025
  • disclosed4 Dec 2025
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Introduced: 4 Dec 2025

CVE-2025-40240  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-partner package and not the kernel-debug-modules-partner package as distributed by Centos.

In the Linux kernel, the following vulnerability has been resolved:

sctp: avoid NULL dereference when chunk data buffer is missing

chunk->skb pointer is dereferenced in the if-block where it's supposed to be NULL only.

chunk->skb can only be NULL if chunk->head_skb is not. Check for frag_list instead and do it just before replacing chunk->skb. We're sure that otherwise chunk->skb is non-NULL because of outer if() condition.