CVE-2018-17182
CVSS v3
7.8
HIGH
EPSS Score
3.2 %
exploit probability, as of 2026-10-18
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation
Red Hat Security Advisory: kernel-alt security and bug fix update
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.
Technical details
- Published
- 2018-09-19
- Exploit-DB
- EDB-45497
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