NULL Pointer Dereference Affecting bpftool package, versions <0:7.0.0-284.11.1.el9_2


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE9-BPFTOOL-5536168
  • published16 May 2023
  • disclosed19 Apr 2023

Introduced: 19 Apr 2023

CVE-2023-1382  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:9 bpftool to version 0:7.0.0-284.11.1.el9_2 or higher.
This issue was patched in ELSA-2023-2458.

NVD Description

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

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.

CVSS Scores

version 3.1