CVE-2026-74752 Affecting kernel-zfcpdump package, versions <0:6.12.0-211.67.1.el10_2


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.52% (44th percentile)

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  • Snyk IDSNYK-ROCKY10-KERNELZFCPDUMP-21419657
  • published22 Oct 2026
  • disclosed26 Aug 2026

Introduced: 26 Aug 2026

CVE-2026-74752  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 kernel-zfcpdump to version 0:6.12.0-211.67.1.el10_2 or higher.
This issue was patched in RLSA-2026:85321.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump package and not the kernel-zfcpdump package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:10 relevant fixed versions and status.

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

sctp: validate cookie AUTH state before use

When cookie authentication is disabled, COOKIE_ECHO restores fixed-size AUTH fields directly from peer-controlled cookie bytes. A forged RANDOM length, HMAC list, or CHUNKS list can then reach association consumers with lengths or identifiers that were never validated against the local backing arrays.

A forged RANDOM length can cause out-of-bounds reads during key-vector construction. A forged HMAC identifier also caused a 32-byte write past a zero-length AUTH chunk, providing a primitive for a local privilege escalation chain.

Validate the cookie's RANDOM, HMACS, and CHUNKS parameters at the cookie trust boundary before copying them into the association. Reject invalid types, malformed lengths, unsupported HMAC identifiers, HMAC lists without SHA1, and forbidden chunk ids.

CVSS Base Scores

version 3.1