Description
The ptrace_setxregs function in arch/xtensa/kernel/ptrace.c in the Linux kernel before 3.1 does not validate user-space pointers, which allows local users to obtain sensitive information from kernel memory locations via a crafted PTRACE_SETXTREGS request.
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://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d0138ebe24b94065580bd2601f8bb7eb6152f56 ↗
- http://www.openwall.com/lists/oss-security/2011/07/20/18 ↗
- https://github.com/torvalds/linux/commit/0d0138ebe24b94065580bd2601f8bb7eb6152f56 ↗
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 ↗