CVE-2022-49938

high
Published 2023-11-07 · Modified 2023-11-07
CVSS v3
CVSS v2
VIR risk
8.0

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-49938

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-49938.html

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2023:6583

OS impact

OSVersionStatusFixed in
redhat rhel9fixed
suse slesaffected
debian debianbookwormfixed5.19.11-1
debian debianbullseyeaffected
debian debianforkyfixed5.19.11-1
debian debiansidfixed5.19.11-1
debian debiantrixiefixed5.19.11-1

References

Verify integrity in audit chain (admin only). AS-IS.