Stack-based buffer overflow in the hfs_mac2asc function in fs/hfs/trans.c in the Linux…
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.00444 38th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2012:0358 Released 2012-03-06 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux EUS (v. 5.6 server) kernel-2.6.18-238.35.1.el5, kernel-2.6.18-238.35.1.el5.ia64, kernel-PAE-2.6.18-238.35.1.el5 +18
- RHSA-2012:0007 Released 2012-01-10 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-274.17.1.el5, kernel-2.6.18-274.17.1.el5.ia64, kernel-PAE-2.6.18-274.17.1.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-274.17.1.el5, kernel-PAE-2.6.18-274.17.1.el5, kernel-PAE-devel-2.6.18-274.17.1.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0007 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0007 |
| Red Hat Enterprise Linux EUS (v. 5.6 server) | Fixed | RHSA-2012:0358 |
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 6
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4330
- 2026-10-03 Alias added: GHSA-fq7c-76rm-wxx8
References
Advisory 5
- [oss-security] 20111121 Re: kernel: hfs: add sanity check for file name length
- https://bugzilla.redhat.com/show_bug.cgi?id=755431
- [oss-security] 20111121 kernel: hfs: add sanity check for file name length
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=bc5b8a9003132ae44559edd63a1623
- [linux-kernel] 20111109 [BUG][SECURITY] Kernel stack overflow in hfs_mac2asc()
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2011-4330 · CVE Program
- CVE-2011-4330 · NVD
- FIRST EPSS
- GHSA-fq7c-76rm-wxx8 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4330 · Red Hat security data · CC BY 4.0
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