Description
Integer overflow in the hrtimer_start function in kernel/hrtimer.c in the Linux kernel before 2.6.23.10 allows local users to execute arbitrary code or cause a denial of service (panic) via a large relative timeout value. NOTE: some of these details are obtained from third party information.
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 4.0 | fai-kernels | 1.17+etch.13etch6 | DSA-1436-1 |
| Debian 4.0 | linux-2.6 | 2.6.18.dfsg.1-13etch6 | DSA-1436-1 |
| Debian 4.0 | user-mode-linux | 2.6.18-1um-2etch.13etch6 | DSA-1436-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-128.4.1.el5 | RHSA-2009:1193 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5.3 EUS | kernel +12 | 2.6.18-128.4.1.el5 | RHSA-2009:1193 |
| RHEL 5.2 EUS | kernel +11 | 2.6.18-92.1.35.el5 | RHSA-2010:0079 |
| Red Hat MRG 1 | kernel-rt +9 | 2.6.24.7-74.el5rt | RHSA-2008:0585 |
Advisories 4
- RHSA-2010:0079 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2009:1193 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2008:0585 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-1436-1 linux-2.6 fai-kernels user-mode-linux - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- oval:org.mitre.oval:def:10774 vdb-entry signature
- 36131 third-party-advisory
- 20071218 rPSA-2007-0269-1 kernel mailing-list
- 26880 vdb-entry
- 28806 third-party-advisory
- oval:org.mitre.oval:def:8125 vdb-entry signature
- DSA-1436 vendor-advisory
- 37471 third-party-advisory
- https://issues.rpath.com/browse/RPL-2038
- 28141 third-party-advisory
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- 28105 third-party-advisory
- RHSA-2009:1193 vendor-advisory
- 28706 third-party-advisory
- MDVSA-2008:112 vendor-advisory
- ADV-2007-4225 vdb-entry
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.10
- 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components mailing-list
- RHSA-2008:0585 vendor-advisory
- 28088 third-party-advisory
- SUSE-SA:2008:006 vendor-advisory
- USN-574-1 vendor-advisory
- 31628 third-party-advisory
- ADV-2009-3316 vdb-entry