UBUNTU-CVE-2011-4081
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 29 Oct 2011, 00:00
Last modified:04 Feb 2026, 02:27
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
29 Oct 2011, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 02:27
Last Modified
Vulnerability information updated
Description
crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•linux
< 3.11.0-12.19 | < 4.2.0-16.19
- ubuntu•linux-aws
< 4.4.0-1002.2 | < 4.4.0-1001.10
- ubuntu•linux-flo
< 3.4.0-1.3 | < 3.4.0-5.22
- ubuntu•linux-gke
< 4.4.0-1003.3
- ubuntu•linux-goldfish
< 3.4.0-1.9 | < 3.4.0-4.27
- ubuntu•linux-grouper
< 3.1.10-8.28
- ubuntu•linux-hwe
< 4.8.0-36.36~16.04.1
- ubuntu•linux-lts-utopic
< 3.16.0-25.33~14.04.2
- ubuntu•linux-lts-vivid
< 3.19.0-18.18~14.04.1
- ubuntu•linux-lts-wily
< 4.2.0-18.22~14.04.1
- ubuntu•linux-lts-xenial
< 4.4.0-13.29~14.04.1
- ubuntu•linux-mako
< 3.4.0-3.21 | < 3.4.0-7.40
- ubuntu•linux-manta
< 3.4.0-4.19
- ubuntu•linux-raspi2
< 4.2.0-1013.19
- ubuntu•linux-snapdragon
< 4.4.0-1012.12
References (16)
- https://ubuntu.com/security/CVE-2011-4081
- https://ubuntu.com/security/notices/USN-1286-1
- https://ubuntu.com/security/notices/USN-1287-1
- https://ubuntu.com/security/notices/USN-1292-1
- https://ubuntu.com/security/notices/USN-1293-1
- https://ubuntu.com/security/notices/USN-1294-1
- https://ubuntu.com/security/notices/USN-1302-1
- https://ubuntu.com/security/notices/USN-1301-1
- https://ubuntu.com/security/notices/USN-1303-1
- https://ubuntu.com/security/notices/USN-1299-1
- https://ubuntu.com/security/notices/USN-1304-1
- https://ubuntu.com/security/notices/USN-1313-1
- https://ubuntu.com/security/notices/USN-1311-1
- https://ubuntu.com/security/notices/USN-1312-1
- https://ubuntu.com/security/notices/USN-1322-1
- https://www.cve.org/CVERecord?id=CVE-2011-4081