CVE-2022-49630

high
Published 2023-05-09 · Modified 2023-05-09
CVSS v3
CVSS v2
VIR risk
8.0

Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_ecn_fallback. While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

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-2022-49630

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-49630.html

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2023:2458

OS impact

OSVersionStatusFixed in
redhat rhel9fixed
suse slesaffected
debian debianbookwormfixed5.18.14-1
debian debianbullseyeaffected
debian debianforkyfixed5.18.14-1
debian debiansidfixed5.18.14-1
debian debiantrixiefixed5.18.14-1

References

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