CVE-2011-1747

Summary

The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a denial of service (memory consumption) by making many calls to these ioctls.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://openwall.com/lists/oss-security/2011/04/22/8
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355
• http://securitytracker.com/id?1025441
• http://openwall.com/lists/oss-security/2011/04/22/11
• http://openwall.com/lists/oss-security/2011/04/21/4
• http://www.securityfocus.com/bid/47832
• http://openwall.com/lists/oss-security/2011/04/22/7
• https://bugzilla.redhat.com/show_bug.cgi?id=698999
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
• http://openwall.com/lists/oss-security/2011/04/22/9
• https://lkml.org/lkml/2011/4/14/294
• http://openwall.com/lists/oss-security/2011/04/22/10

References

• http://openwall.com/lists/oss-security/2011/04/22/8
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355
• http://securitytracker.com/id?1025441
• http://openwall.com/lists/oss-security/2011/04/22/11
• http://openwall.com/lists/oss-security/2011/04/21/4
• http://www.securityfocus.com/bid/47832
• http://openwall.com/lists/oss-security/2011/04/22/7
• https://bugzilla.redhat.com/show_bug.cgi?id=698999
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
• http://openwall.com/lists/oss-security/2011/04/22/9
• https://lkml.org/lkml/2011/4/14/294
• http://openwall.com/lists/oss-security/2011/04/22/10

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