CVE-2011-2203: n/a vulnerability

CVE-2011-2203: The hfs_find_init function in the Linux kernel 2.6 allows local users to cause a denial of service (NULL po...

The hfs_find_init function in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and Oops) by mounting an HFS file system with a malformed MDB extent record.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:53 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-2203 is a Linux kernel 2.6 denial-of-service issue. A local user could trigger a kernel crash by mounting a malformed HFS filesystem. The business impact is mainly service disruption on legacy Linux systems that still allow local or removable-media mounting. Exposure appears limited to Linux kernel 2.6 systems with HFS filesystem handling reachable by local users or mounted media/images. Modern supported kernels may not be affected, but the bundle does not provide a complete fixed-version list. Treat this as a legacy-platform hygiene issue, not an emergency internet-facing flaw. Prioritize systems where local users, shared hosting tenants, kiosks, or removable media can influence filesystem mounts. Mitigation focus: Inventory legacy Linux 2.6 systems and confirm whether HFS mounting is enabled or reachable.; Review referenced Ubuntu and Red Hat advisories for fixed kernel packages and supported mitigations.; Apply vendor-supported kernel updates where the CVE is addressed..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 27, 2012, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.redhat.com/show_bug.cgi?id=712774CVE reference · x_refsource_CONFIRM
[linux-kernel] 20110608 [BUG] hfs_find_init() sb->ext_tree NULL pointer dereferenceCVE reference · mailing-list, x_refsource_MLIST

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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