CVE-2012-0038: linux linux_kernel Integer Overflow or Wraparound
Vulnerability summary
CVE-2012-0038 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34.7% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 17-05-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Integer overflow in the xfs_acl_from_disk function in fs/xfs/xfs_acl.c in the Linux kernel before 3.1.9 allows local users to cause a denial of service (panic) via a filesystem with a malformed ACL, leading to a heap-based buffer overflow.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.40% on 05-10-2026
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
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (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< 3.1.9
2 vendors · 15 products
References
22 links- www.openwall.com/lists/oss-security/2012/01/10/11Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/torvalds/linux/commit/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bbaX Refsource CONFIRMPatchThird Party Advisory
- git.kernel.orgX Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=773280X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/093019cf1b18dd31b2c3b77acce4e000e2cbc9ceX Refsource CONFIRMPatchThird Party Advisory
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.9X Refsource CONFIRMMailing ListPatchVendor Advisory