NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-headers  (opens in a new tab)


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  • Snyk IDSNYK-RHEL9-KERNELHEADERS-9336780
  • published7 Mar 2025
  • disclosed29 Jul 2024

Introduced: 29 Jul 2024

CVE-2024-41077  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL.

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

null_blk: fix validation of block size

Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check.

Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1].

[axboe: remove unnecessary braces and != 0 check]