CVE-2006-5173
First published: Tue Oct 17 2006(Updated: )
Linux kernel does not properly save or restore EFLAGS during a context switch, or reset the flags when creating new threads, which allows local users to cause a denial of service (process crash), as demonstrated using a process that sets the Alignment Check flag (EFLAGS 0x40000), which triggers a SIGBUS in other processes that have an unaligned access.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=2.4.0<=2.6.19 | |
| Canonical Ubuntu Linux | =6.10 | |
| Canonical Ubuntu Linux | =5.10 | |
| Canonical Ubuntu Linux | =6.06 |
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Reference Links
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=47a5c6fa0e204a2b63309c648bb2fde36836c826
- http://www.ubuntu.com/usn/usn-395-1
- http://secunia.com/advisories/23361
- http://secunia.com/advisories/23384
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:002
- http://secunia.com/advisories/23593
- http://www.securityfocus.com/archive/1/471457
- http://secunia.com/advisories/25691
- http://secunia.com/advisories/23474
- http://www.securityfocus.com/bid/21851
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=47a5c6fa0e204a2b63309c648bb2fde36836c826
- collector/nvd-historical
- vendor/linux
- product/linux kernel
- canonical/linux linux kernel
- vendor/canonical
- product/ubuntu linux
- canonical/canonical ubuntu linux
- collector/nvd-index
- collector/nvd-api
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- version/linux linux kernel/2.4.0
- version/linux linux kernel/2.6.19
- version/canonical ubuntu linux/6.10
- version/canonical ubuntu linux/5.10
- version/canonical ubuntu linux/6.06