01 Record
CVE-2011-4110
The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 40.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-01-27 15:00Z14 YR AGO
- Last updated
- 2024-08-07 00:01Z2 YR AGO
- Reserved
- 2011-10-18
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- f3709e3079b44a55207f27668d79b9cbae8cb007dff05c73efd95d002d0b90a3
05 Affected products
VendorProductVersionsPlatforms
06 References
- lkml.org[linux-kernel] 20111115 [PATCH] KEYS: Fix a NULL pointer deref in the user-defined key typehttps://lkml.org/lkml/2011/11/15/363
- www.securityfocus.com50755http://www.securityfocus.com/bid/50755
- www.ubuntu.comUSN-1328-1http://www.ubuntu.com/usn/USN-1328-1
- www.ubuntu.comUSN-1344-1http://www.ubuntu.com/usn/USN-1344-1
- www.openwall.com[oss-security] 20111122 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key typehttp://www.openwall.com/lists/oss-security/2011/11/22/5
- www.openwall.com[oss-security] 20111121 CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key typehttp://www.openwall.com/lists/oss-security/2011/11/21/19
- www.ubuntu.comUSN-1324-1http://www.ubuntu.com/usn/USN-1324-1
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=751297
- secunia.com47754http://secunia.com/advisories/47754
- www.openwall.com[oss-security] 20111121 Re: CVE-2011-4110 kernel: keys: NULL pointer deref in the user-defined key typehttp://www.openwall.com/lists/oss-security/2011/11/22/6
- marc.infoHPSBGN02970http://marc.info/?l=bugtraq&m=139447903326211&w=2