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CVE-2011-3191

Date: May 24, 2012

Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory.

Language: C

Severity Score

Related Resources (9)

http://www.openwall.com/lists/oss-security/2011/08/24/2
https://access.redhat.com/security/cve/CVE-2011-3191
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
https://github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd
https://bugzilla.redhat.com/show_bug.cgi?id=732869
https://nvd.nist.gov/vuln/detail/CVE-2011-3191
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-3191
https://www.mend.io/vulnerability-database/CVE-2011-3191

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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