CVE-2018-17182

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.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.21% chance of exploitation in the next 30 days, 87th percentile

Published

2018-09-19

Updated

2024-08-05

Proof-of-concept exploits (6)

• jas502n/CVE-2018-17182130★ · 2018-10-02
• jedai47/cve-2018-171820★ · 2023-04-07
• likekabin/CVE-2018-171820★ · 2018-10-01
• likekabin/vmacache_CVE-2018-171821★ · 2018-10-01
• likescam/CVE-2018-171820★ · 2018-10-01
• likescam/vmacache_CVE-2018-171821★ · 2018-10-01

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/45497

References

• CVE Record
• NVD entry

Related

• CVE-2017-16994
• CVE-2018-7273
• CVE-2013-0074
• CVE-2015-5477
• CVE-2016-2434
• CVE-2016-5342