Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-274.12.1.el5 | RHSA-2011:1479 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Advisories 2
- RHSA-2011:1479 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20110613 Re: CVE request: kernel: hfs_find_init() sb->ext_tree NULL pointer dereference mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=712774
- USN-1328-1 vendor-advisory
- USN-1344-1 vendor-advisory
- 48236 vdb-entry
- USN-1324-1 vendor-advisory
- 47754 third-party-advisory
- [linux-kernel] 20110608 [BUG] hfs_find_init() sb->ext_tree NULL pointer dereference mailing-list