Description
The copy_from_user_mmap_sem function in fs/splice.c in the Linux kernel 2.6.22 through 2.6.24 does not validate a certain userspace pointer before dereference, which allow local users to read from arbitrary kernel memory locations.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.debian.org/security/2008/dsa-1494 ↗
- http://www.securityfocus.com/bid/27796 ↗
- http://secunia.com/advisories/28875 ↗
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.24.1 ↗
- http://www.vupen.com/english/advisories/2008/0487/references ↗
- http://www.securityfocus.com/archive/1/487982/100/0/threaded ↗
- http://isec.pl/vulnerabilities/isec-0026-vmsplice_to_kernel.txt ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00254.html ↗
- http://secunia.com/advisories/28896 ↗
- http://secunia.com/advisories/28835 ↗
- https://www.exploit-db.com/exploits/5093 ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00255.html ↗
- http://www.securityfocus.com/bid/27704 ↗