CVE-2011-4330

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-01-27 · updated 2026-06-16
Weakness: CWE-119

Description

Stack-based buffer overflow in the hfs_mac2asc function in fs/hfs/trans.c in the Linux kernel 2.6 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via an HFS image with a crafted len field.

Affected products

Linux kernel: before 3.0.10; from 3.1 before 3.1.2 — fixed in 3.0.10, 3.1.2

How to fix

Upgrade to a fixed version: Linux kernel 3.0.10, 3.1.2. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=bc5b8a9003132ae44559edd63a1623
http://www.openwall.com/lists/oss-security/2011/11/21/14
http://www.openwall.com/lists/oss-security/2011/11/21/5
http://www.securityfocus.com/bid/50750
https://bugzilla.redhat.com/show_bug.cgi?id=755431
https://lkml.org/lkml/2011/11/9/303
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=bc5b8a9003132ae44559edd63a1623
http://www.openwall.com/lists/oss-security/2011/11/21/14
http://www.openwall.com/lists/oss-security/2011/11/21/5
http://www.securityfocus.com/bid/50750
https://bugzilla.redhat.com/show_bug.cgi?id=755431
https://lkml.org/lkml/2011/11/9/303

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