Description
The div_long_long_rem implementation in include/asm-x86/div64.h in the Linux kernel before 2.6.26 on the x86 platform allows local users to cause a denial of service (Divide Error Fault and panic) via a clock_gettime system call.
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 +11 | 2.6.18-274.7.1.el5 | RHSA-2011:1386 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Mission Critical 5 | kernel +10 | 2.6.18-128.36.1.el5 | RHSA-2011:1418 |
| RHEL 5.6 EUS | kernel +12 | 2.6.18-238.28.1.el5 | RHSA-2011:1419 |
Advisories 3
- RHSA-2011:1418 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1419 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:1386 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26
- https://bugzilla.redhat.com/show_bug.cgi?id=732878
- https://github.com/torvalds/linux/commit/f8bd2258e2d520dff28c855658bd24bdafb5102d
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8bd2258e2d520dff28c855658bd24bdafb5102d
- [oss-security] 20111024 kernel; CVE-2011-2942 and CVE-2011-3209 mailing-list