Description
libata in the Linux kernel before 2.6.27.9 does not set minimum timeouts for SG_IO requests, which allows local users to cause a denial of service (Programmed I/O mode on drives) via multiple simultaneous invocations of an unspecified test program.
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 | linux-2.6.24 | 2.6.24-6~etchnhalf.8etch1 | DSA-1787-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-128.1.6.el5 | RHSA-2009:0326 |
| RHEL 4 | kernel +10 | 2.6.9-78.0.17.EL | RHSA-2009:0331 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 1 | kernel-rt +9 | 2.6.24.7-101.el5rt | RHSA-2009:0053 |
Advisories 4
- RHSA-2009:0326 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2009:0331 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2009:0053 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-1787-1 linux-2.6.24 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2009:0331 vendor-advisory
- RHSA-2009:0326 vendor-advisory
- 33706 third-party-advisory
- SUSE-SA:2009:010 vendor-advisory
- 37471 third-party-advisory
- RHSA-2009:0053 vendor-advisory
- 33756 third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=f2f1fa78a155524b849edf359e42a3001ea652c0
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- https://bugzilla.redhat.com/show_bug.cgi?id=474495
- 33758 third-party-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2009-114.htm
- 34252 third-party-advisory
- [oss-security] 20081209 CVE request: kernel: enforce a minimum SG_IO timeout mailing-list
- 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components mailing-list
- linux-kernel-libata-dos(47669) vdb-entry
- oval:org.mitre.oval:def:10948 vdb-entry signature
- 34981 third-party-advisory
- USN-714-1 vendor-advisory
- DSA-1787 vendor-advisory
- USN-715-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.9
- oval:org.mitre.oval:def:8606 vdb-entry signature
- 33854 third-party-advisory
- ADV-2009-3316 vdb-entry
- 34762 third-party-advisory