Published: 06/09/2011 Updated: 13/02/2023

CVSS v2 Base Score: 4.4 | Impact Score: 6.4 | Exploitability Score: 3.4

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 393

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

The cifs_close function in fs/cifs/file.c in the Linux kernel prior to 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.

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linux linux kernel

Several security issues were fixed in the kernel ...

Multiple kernel flaws have been fixed ...

CWE-476 http://marc.info/?l=linux-cifs&m=130204357001849&w=2 https://bugzilla.redhat.com/show_bug.cgi?id=703016 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 http://www.openwall.com/lists/oss-security/2011/05/09/2 http://marc.info/?l=linux-cifs&m=130204730006155&w=2 http://securityreason.com/securityalert/8367 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd https://nvd.nist.gov https://usn.ubuntu.com/1256-1/

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CVE-2011-1771

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