Use After Free Affecting bpftool package, versions <0:7.2.0-362.8.1.el9_3


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-CENTOS9-BPFTOOL-3355213
  • published7 Mar 2023
  • disclosed31 Jan 2022

Introduced: 31 Jan 2022

CVE-2023-1249  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:9 bpftool to version 0:7.2.0-362.8.1.el9_3 or higher.

NVD Description

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

A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.

CVSS Base Scores

version 3.1