CVE-2011-1771
HIGH · CVSS 7.8EPSS 0.5%EU EUVD
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 by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-476
- EPSS score
- 0.5% (44th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1770)
- Published
- September 6, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1770 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd
- http://marc.info/?l=linux-cifs&m=130204357001849&w=2(Exploit, Third Party Advisory)
- http://marc.info/?l=linux-cifs&m=130204730006155&w=2(Third Party Advisory)
- http://securityreason.com/securityalert/8367(Third Party Advisory)
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39(Release Notes, Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2011/05/09/2(Exploit, Mailing List, Patch, Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=703016(Exploit, Issue Tracking, Patch, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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