Expired Pointer Dereference Affecting kernel-abi-whitelists package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.66% (50th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELABIWHITELISTS-20100930
  • published24 Sept 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

NewCVE-2026-89636  (opens in a new tab)
CWE-825  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 kernel-abi-whitelists.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists package and not the kernel-abi-whitelists package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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

smb: client: clear ce->tgthint in free_tgts()

When free_tgts() frees all structures in ce->tlist, ce->tgthint is left pointing to one of the freed cache_dfs_tgt structures.

If ce->tgthint is not reset before it is used later, it results in a use-after-free.

Set ce->tgthint to NULL in free_tgts() after the elements are freed to reflect that no elements remain.

CVSS Base Scores

version 3.1