Description
The vmsplice_to_user 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 might allow local users to access 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
- https://bugzilla.redhat.com/show_bug.cgi?id=431206 ↗
- 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 ↗
- http://www.securityfocus.com/bid/27799 ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00255.html ↗
- http://www.securityfocus.com/bid/27704 ↗