Description
sys_mbind in mempolicy.c in Linux kernel 2.6.16 and earlier does not sanity check the maxnod variable before making certain computations for the get_nodes function, which has unknown impact and attack vectors.
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 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge3 | DSA-1103 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +10 | 2.6.9-55.EL | RHBA-2007:0304 |
Advisories 2
- RHBA-2007:0304 Red Hat Bug Fix Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 5 Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1103 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 1015752 vdb-entry
- ADV-2006-2554 vdb-entry
- USN-281-1 vendor-advisory
- 23895 vdb-entry
- http://lkml.org/lkml/2006/2/27/355
- 16924 vdb-entry
- linux-get-nodes-dos(25204) vdb-entry
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- SUSE-SA:2006:028 vendor-advisory
- 19955 third-party-advisory
- DSA-1103 vendor-advisory
- RHBA-2007-0304 vendor-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=184510
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- 20398 third-party-advisory
- MDKSA-2006:059 vendor-advisory
- oval:org.mitre.oval:def:9674 vdb-entry signature
- 20914 third-party-advisory