Description
Buffer overflow in the mac_partition function in fs/partitions/mac.c in the Linux kernel before 2.6.37.2 allows local users to cause a denial of service (panic) or possibly have unspecified other impact via a malformed Mac OS partition table.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | linux-2.6 | 2.6.26-26lenny3 | DSA-2264-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +14 | 2.6.32-131.0.15.el6 | RHSA-2011:0542 |
| RHEL 5 | kernel +11 | 2.6.18-238.9.1.el5 | RHSA-2011:0429 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.0 EUS | perf +14 | 2.6.32-71.31.1.el6 | RHSA-2011:0883 |
| Red Hat MRG 1 | perf +10 | 2.6.33.9-rt31.64.el5rt | RHSA-2011:0500 |
Advisories 5
- RHSA-2011:0500 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0542 Red Hat Security Advisory: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2264-1 linux-2.6 - several issues Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2011:0429 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jan 14, 2026
- RHSA-2011:0883 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console mailing-list
- 46397 third-party-advisory
- 8115 third-party-advisory
- [oss-security] 20110222 CVE request: kernel: fs/partitions: validate map_count in mac partition tables mailing-list
- kernel-map-dos(65643) vdb-entry
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37.2
- https://bugzilla.redhat.com/show_bug.cgi?id=679282
- 46492 vdb-entry
- [oss-security] 20110222 Re: CVE request: kernel: fs/partitions: validate map_count in mac partition tables mailing-list
- 20110223 [PRE-SA-2011-01] Multiple Linux kernel vulnerabilities in partition handling code of LDM and MAC partition tables mailing-list
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- [oss-security] 20110222 Re: CVE request: kernel: fs/partitions: validate map_count in mac partition tables mailing-list
- 1025126 vdb-entry
- http://www.pre-cert.de/advisories/PRE-SA-2011-01.txt
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa7ea87a057958a8b7926c1a60a3ca6d696328ed