NULL Pointer Dereference Affecting bpftool package, versions <0:4.18.0-477.10.1.el8_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.02% (59th percentile)

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  • Snyk IDSNYK-ALMALINUX8-BPFTOOL-5617232
  • published28 May 2023
  • disclosed9 May 2023

Introduced: 9 May 2023

CVE-2023-0394  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 bpftool to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in ALSA-2023:2951.

NVD Description

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

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.

CVSS Base Scores

version 3.1