Vulnerability Details : CVE-2011-4077
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.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-4077
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4077
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
CWE ids for CVE-2011-4077
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4077
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http://www.openwall.com/lists/oss-security/2011/10/26/1
oss-security - CVE Request -- kernel: xfs: potential buffer overflow in xfs_readlink()Mailing List;Patch;Third Party Advisory
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http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/
CVE-2011-4077: Linux kernel XFS readlink() Memory Corruption | xorl %eax, %eaxExploit;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2011/10/26/3
oss-security - Re: CVE Request -- kernel: xfs: potential buffer overflow in xfs_readlink()Mailing List;Patch;Third Party Advisory
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http://oss.sgi.com/archives/xfs/2011-10/msg00345.html
High Performance Computing Solutions – Reliable, Available, Scalable HPC Systems | HPEPatch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=749156
749156 – (CVE-2011-4077) CVE-2011-4077 kernel: xfs: potential buffer overflow in xfs_readlink()Issue Tracking;Patch;Third Party Advisory
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http://marc.info/?l=bugtraq&m=139447903326211&w=2
'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARCMailing List;Third Party Advisory
Products affected by CVE-2011-4077
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*