NULL pointer dereference in Linux Kernel
CVE-2011-4081
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2011/10/27/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- git.kernel.org/
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 (Patch, Mailing List, Vendor Advisory)
- github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74c (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2011-4081?
- CVE-2011-4081 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2012-05-24.
- How severe is CVE-2011-4081?
- Medium severity. CVSS v3 base score is 5.5 out of 10.