Description
The Linux kernel before 2.6.32.4 allows local users to gain privileges or cause a denial of service (panic) by calling the (1) mmap or (2) mremap function, aka the "do_mremap() mess" or "mremap/mmap mess."
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 | 2.6.26-21lenny3 | DSA-1996-1 |
| Debian 4.0 | linux-2.6.24 | 2.6.24-6~etchnhalf.9etch3 | DSA-2005-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +11 | 2.6.18-194.8.1.el5 | RHSA-2010:0504 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 1 | kernel-rt +9 | 2.6.24.7-149.el5rt | RHSA-2010:0161 |
Advisories 4
- RHSA-2010:0504 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2010:0161 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-1996-1 linux-2.6 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2005-1 linux-2.6.24 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecc1a8993751de4e82eb18640d631dae1f626bd6
- http://groups.google.co.jp/group/fa.linux.kernel/browse_thread/thread/8bf22336b1082090
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0ec62d290912bb4b989be7563851bc364ec73b56
- [oss-security] 20100120 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=05d72faa6d13c9d857478a5d35c85db9adada685
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=54f5de709984bae0d31d823ff03de755f9dcac54
- [oss-security] 20100120 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- oval:org.mitre.oval:def:11824 vdb-entry signature
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.4
- [linux-kernel] 20100114 [PATCH 01/52] untangle the do_mremap() mess mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e77414e0aad6a1b063ba5e5750c582c75327ea6a
- [oss-security] 20100120 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- [linux-kernel] 20091205 [RFC][PATCHSET] mremap/mmap mess mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f106af4e90eadd76cfc0b5325f659619e08fb762
- [oss-security] 20100120 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- [oss-security] 20100120 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- [oss-security] 20100121 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- DSA-1996 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ea1d13f64efdf49319e86c87d9ba38c30902782
- 43315 third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=aa65607373a4daf2010e8c3867b6317619f3c1a3
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2c6a10161d0b5fc047b5bd81b03693b9af99fab5
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=564b3bffc619dcbdd160de597b0547a7017ea010
- 39033 third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bb52d6694002b9d632bb355f64daa045c6293a4e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=570dcf2c15463842e384eb597a87c1e39bead99b
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9206de95b1ea68357996ec02be5db0638a0de2c1
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- [oss-security] 20100119 CVE request - kernel: untangle the do_mremap() mess mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=935874141df839c706cd6cdc438e85eb69d1525e
- 37906 vdb-entry
- DSA-2005 vendor-advisory
- 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX mailing-list
- [oss-security] 20100119 Re: CVE request - kernel: untangle the do_mremap() mess mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=556703
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=097eed103862f9c6a97f2e415e21d1134017b135
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c4caa778157dbbf04116f0ac2111e389b5cd7a29
- 38492 third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1a0ef85f84feb13f07b604fcf5b90ef7c2b5c82f
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8b7256096a20436f6d0926747e3ac3d64c81d24
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8c7b49b3ecd48923eb64ff57e07a1cdb74782970
- RHSA-2010:0161 vendor-advisory