Out-of-bounds Write Affecting kpatch-patch-4_18_0-553_85_1 package, versions <0:1-14.el8_10


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-CENTOS8-KPATCHPATCH4180553851-20441486
  • published4 Oct 2026
  • disclosed28 May 2026

Introduced: 28 May 2026

CVE-2026-46145  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:8 kpatch-patch-4_18_0-553_85_1 to version 0:1-14.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kpatch-patch-4_18_0-553_85_1 package and not the kpatch-patch-4_18_0-553_85_1 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:

RDMA/mana: Validate rx_hash_key_len

Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.

CVSS Base Scores

version 3.1