Description
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.
References
- [oss-security] 20110422 Re: CVE request: kernel: buffer overflow and DoS issues in agp mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355
- 1025441 vdb-entry
- [oss-security] 20110422 Re: CVE request: kernel: buffer overflow and DoS issues in agp mailing-list
- [oss-security] 20110421 CVE request: kernel: buffer overflow and DoS issues in agp mailing-list
- 47832 vdb-entry
- [oss-security] 20110422 Re: CVE request: kernel: buffer overflow and DoS issues in agp mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=698999
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
- [oss-security] 20110422 Re: CVE request: kernel: buffer overflow and DoS issues in agp mailing-list
- [linux-kernel] 20110414 [PATCH] char: agp: fix OOM and buffer overflow mailing-list
- [oss-security] 20110422 Re: CVE request: kernel: buffer overflow and DoS issues in agp mailing-list