01 Record
CVE-2011-1771
The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact
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
- 0.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.6% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- 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
- 2011-09-06 16:00Z15 YR AGO
- Last updated
- 2024-08-06 22:37Z2 YR AGO
- Reserved
- 2011-04-19
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 6bec542f2f30abfa805b063f16358d1c2896162aefdf6ad480713a57a9be1b23
05 Affected products
VendorProductVersionsPlatforms
06 References
- marc.info[linux-cifs] 20110405 Re: Repeatable crash in 2.6.38 related to O_DIRECThttp://marc.info/?l=linux-cifs&m=130204730006155&w=2
- marc.info[linux-cifs] 20110405 Repeatable crash in 2.6.38 related to O_DIRECThttp://marc.info/?l=linux-cifs&m=130204357001849&w=2
- www.openwall.com[oss-security] 20110509 CVE-2011-1771 kernel: cifs oops when creating file with O_DIRECT sethttp://www.openwall.com/lists/oss-security/2011/05/09/2
- securityreason.com8367http://securityreason.com/securityalert/8367
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=703016
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd