linux 2.6.24.7 kernel panic via futex

2011-01-18 / 2011-01-19

Credit: taviso

Risk: Low

Local: Yes

Remote: No

CVE: CVE-2010-3086

CWE: NVD-CWE-DesignError

Ogólna skala CVSS: 4.9/10

Znaczenie: 6.9/10

Łatwość wykorzystania: 3.9/10

Wymagany dostęp: Lokalny

Złożoność ataku: Niska

Autoryzacja: Nie wymagana

Wpływ na poufność: Brak

Wpływ na integralność: Brak

Wpływ na dostępność: Pełny

__futex_atomic_op1, __futex_atomic_op2, and 
futex_atomic_cmpxchg-_inatomic() macros replaced the LOCK prefix with a 
NOP instruction. This can cause the exceptions to not match the 
exception table fault fixup. A local, unprivileged user could use this 
flaw to cause a denial of service. This is assigned with CVE-2010-3086.

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-3086
http://git.kernel.org/linus/9d55b9923a1b7ea8193b8875c57ec940dc2ff027

Thanks, Eugene

Referencje:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9d55b9923a1b7ea8193b8875c57ec940dc2ff027

https://bugzilla.redhat.com/show_bug.cgi?id=633170

https://bugzilla.redhat.com/show_bug.cgi?id=429412

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25

http://securitytracker.com/id?1024709

http://marc.info/?l=oss-security&m=128935856605589&w=2

http://kerneltrap.org/mailarchive/linux-kernel/2008/2/6/752194/thread

See this note in RAW Version

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linux 2.6.24.7 kernel panic via futex

Referencje:

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