CVE-2011-4077: linux linux_kernel
Vulnerability summary
CVE-2011-4077 is a medium (CVSS 6.9) vulnerability in linux linux_kernel. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 27-01-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability 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
1 score · 1 source · 1 versionEPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.53% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (xorl.wordpress.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu14 products
- linux< 3.11.0-12.19 | < 4.2.0-16.19
- linux-aws< 4.4.0-1002.2 | < 4.4.0-1001.10
- linux-flo< 3.4.0-1.3 | < 3.4.0-5.22
- linux-gke< 4.4.0-1003.3
- linux-goldfish< 3.4.0-1.9 | < 3.4.0-4.27
Linux1 product
- linux_kernel≥ 2.6.12, < 3.0.11 | ≥ 3.1, < 3.1.5
2 vendors · 15 products
References
25 links- www.openwall.com/lists/oss-security/2011/10/26/1Mailing ListX Refsource MLISTPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=749156X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2011/10/26/3Mailing ListX Refsource MLISTPatchThird Party Advisory
- xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/X Refsource MISCExploitThird Party Advisory
- oss.sgi.com/archives/xfs/2011-10/msg00345.htmlMailing ListX Refsource MLISTPatchThird Party Advisory
- marc.info?l=bugtraq&m=139447903326211&w=2Vendor AdvisoryX Refsource HPMailing ListThird Party Advisory