CVE-2026-80571 Affecting kernel-devel-matched package, versions <0:5.14.0-687.66.1.el9_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.16% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELDEVELMATCHED-22261282
  • published6 Nov 2026
  • disclosed5 Nov 2026

Introduced: 5 Nov 2026

NewCVE-2026-80571  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-devel-matched to version 0:5.14.0-687.66.1.el9_8 or higher.
This issue was patched in ALSA-2026:95370.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel-matched package and not the kernel-devel-matched package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak

In papr_phy_attest_create_handle(), the params->cmd.length is not validated before use, which can result in a buffer overlow. Check it and return -EINVAL if it is either 0 or exceeds sizeof(params->cmd).

Also, params is freed on the success path but not error. Free it on errors after memory allocation. And free it on negative fd.

CVSS Base Scores

version 3.1