CVE-2011-4077
Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 27 Jan 2012, 15:00
Last modified:06 Aug 2024, 23:53
Vulnerability Summary
Overall Risk (default)
medium
38/100 CVSS Score
6.9 MEDIUM
v2.0 (nvd)
EPSS Score
0.23% LOW
0% probability -0.08%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
27 Jan 2012, 15:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:53
Last Modified
Vulnerability information updated
Description
Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname.
CVSS Metrics
- v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.23%• Percentile: 46%
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
≥ 2.6.12, < 3.0.11 | ≥ 3.1, < 3.1.5
References (7)
- http://www.openwall.com/lists/oss-security/2011/10/26/1
- https://bugzilla.redhat.com/show_bug.cgi?id=749156
- http://www.openwall.com/lists/oss-security/2011/10/26/3
- http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/
- http://oss.sgi.com/archives/xfs/2011-10/msg00345.html
- http://secunia.com/advisories/48964
- http://marc.info/?l=bugtraq&m=139447903326211&w=2