CVE-2022-27666
HIGH 7.8EPSS 5.5%
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.
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 5.52% chance of exploitation in the next 30 days, 93rd percentile
- Published
- 2022-03-23
- Updated
- 2024-08-03
Proof-of-concept exploits (4)
- Albocoder/cve-2022-27666-exploits2★ · 2023-04-11
- plummm/CVE-2022-27666207★ · 2022-03-28
- ngtuonghung/CVE-2022-276660★ · 2026-05-12
- shadowgun-cpu/Poc-SLUBSTICK1★ · 2026-02-03
Security advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=2061633
- torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://security.netapp.com/advisory/ntap-20220429-0001
- https://www.debian.org/security/2022/dsa-5127
- https://www.debian.org/security/2022/dsa-5173