CVE-2011-3191
Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 24 May 2012, 23:00
Last modified:06 Aug 2024, 23:29
Vulnerability Summary
Overall Risk (default)
medium
35/100 CVSS Score
8.8 HIGH
v3.1 (nvd)
EPSS Score
0.33% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
24 May 2012, 23:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:29
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•HIGH•Score: 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 8.3AV:A/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.33%• Percentile: 56%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- linux•linux_kernel
< 3.0.5
- redhat•enterprise_linux
4.0
References (5)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd
- http://www.openwall.com/lists/oss-security/2011/08/24/2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
- https://bugzilla.redhat.com/show_bug.cgi?id=732869
- https://github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd