Out-of-bounds Write Affecting bpftool package, versions <0:4.18.0-305.125.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-6459987
  • published19 Mar 2024
  • disclosed7 Dec 2023

Introduced: 7 Dec 2023

CVE-2024-0646  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bpftool to version 0:4.18.0-305.125.1.el8_4 or higher.
This issue was patched in RHSA-2024:1367.

NVD Description

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

An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1