CVE-2022-27666

high

Published 2022-06-28 · Modified 2022-06-28

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CVSS v3

—

CVSS v4 NEW

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not yet in upstream

VIR risk

8.0

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	`kernel-rt-debug-modules-extra-5.14.0-70.17.1.rt21.89.el9_0.x86_64.rpm`
8	Fixed	`kernel-rt-debug-kvm-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm`

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`5.17.5.hardened1-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`5.16.18-1`
sid	Fixed	`5.16.18-1`
forky	Fixed	`5.16.18-1`
bullseye	Fixed	`5.10.113-1`
bookworm	Fixed	`5.16.18-1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

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