CVE-2006-5173 | BDVDB-2026-19748 Detail
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html
- http://secunia.com/advisories/23361
- http://secunia.com/advisories/23593
- http://secunia.com/advisories/23384
- http://www.securityfocus.com/bid/21851
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=47a5c6fa0e204a2b63309c648bb2fde36836c826
- http://secunia.com/advisories/23474
- http://www.securityfocus.com/archive/1/471457
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:002
- http://www.ubuntu.com/usn/usn-395-1
- http://secunia.com/advisories/25691
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.