CVE-2022-48654

kernel: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()

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Severity

Low

Red Hat Product Security

6.6

CVSS 3.1

Review impact separately from score.

Published · April 28, 2024

Updated · August 5, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()

nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

CWE-908 · Use of Uninitialized Resource