High severity · published May 24, 2012
CVE-2011-3191
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…
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 3.0.5 · source: NVD
EL
Enterprise Linux · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-3191
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-3191
git.kernel.org
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd
Mailing List
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Mailing List
http://www.openwall.com/lists/oss-security/2011/08/24/2
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=732869
Patch
https://github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd
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