CVE-2018-17182

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.

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-2018-17182

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-17182.html

OS impact

OSVersionStatusFixed in
arch archfixed4.18.9.arch1-1
suse slesaffected
debian debianbookwormfixed4.18.10-1
debian debianbullseyefixed4.18.10-1
debian debianforkyfixed4.18.10-1
debian debiansidfixed4.18.10-1
debian debiantrixiefixed4.18.10-1

References

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