Vulnerability Monitor

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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 by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.

Published

2011-09-06T16:55:07.320

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

6.4

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.39	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd ([email protected])
http://marc.info/?l=linux-cifs&m=130204357001849&w=2 Exploit, Third Party Advisory ([email protected])
http://marc.info/?l=linux-cifs&m=130204730006155&w=2 Third Party Advisory ([email protected])
http://securityreason.com/securityalert/8367 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Release Notes, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2011/05/09/2 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=703016 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=linux-cifs&m=130204357001849&w=2 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=linux-cifs&m=130204730006155&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8367 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/05/09/2 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=703016 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)