Description
Linux kernel before 2.6.13 allows local users to cause a denial of service (crash) via a dio transfer from the sg driver to memory mapped (mmap) IO space.
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 | fai-kernels | 1.9.1sarge4 | DSA-1184-2, DSA-1183-1 |
| Debian 3.1 | kernel-source-2.4.27 | 2.4.27-10sarge4 | DSA-1183-1 |
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge5 | DSA-1184-2 |
| Debian 3.1 | systemimager | 3.2.3-6sarge3 | DSA-1183-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +8 | 2.6.9-34.0.1.EL | RHSA-2006:0493 |
Advisories 3
- RHSA-2006:0493 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1183-1 kernel-source-2.4.27 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1184-2 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 21555 third-party-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- RHSA-2006:0493 vendor-advisory
- SUSE-SA:2006:042 vendor-advisory
- 20716 third-party-advisory
- oval:org.mitre.oval:def:11037 vdb-entry signature
- 21745 third-party-advisory
- SUSE-SA:2006:047 vendor-advisory
- 18101 vdb-entry
- DSA-1183 vendor-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=168791
- USN-302-1 vendor-advisory
- MDKSA-2006:123 vendor-advisory
- 22082 third-party-advisory
- http://linux.bkbits.net:8080/linux-2.6/cset%4043220081yu9ClBQNuqSSnW_9amW7iQ
- kernel-sg-dos(28510) vdb-entry
- http://marc.info/?l=linux-scsi&m=112540053711489&w=2
- http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.33.1
- ADV-2006-3330 vdb-entry
- 21498 third-party-advisory
- 21045 third-party-advisory
- 20237 third-party-advisory
- 22093 third-party-advisory
- DSA-1184 vendor-advisory
- 21179 third-party-advisory