CVE-2026-68157 Affecting kernel-modules-extra package, versions <0:5.14.0-687.50.1.el9_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.7% (51st percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELMODULESEXTRA-20152772
  • published26 Sept 2026
  • disclosed22 Sept 2026

Introduced: 22 Sep 2026

NewCVE-2026-68157  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-modules-extra to version 0:5.14.0-687.50.1.el9_8 or higher.
This issue was patched in ALSA-2026:70459.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra package and not the kernel-modules-extra 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:

libceph: guard missing CRUSH type name lookup

Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in type_names. get_immediate_parent() then dereferences a NULL type_cn and passes an invalid pointer into strcmp(), causing a null-ptr-deref.

Skip such malformed parent buckets unless both the bucket name and type name metadata are present. This keeps malformed hierarchy data from crashing locality lookup and safely falls back to "not local".

[ idryomov: add WARN_ON_ONCE ]

CVSS Base Scores

version 3.1