CVE-2011-2707

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.

• CWE-200

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d0138ebe24b94065580bd2601f8bb7eb6152f56
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2011/07/20/18Mailing List, Third Party Advisory
• https://github.com/torvalds/linux/commit/0d0138ebe24b94065580bd2601f8bb7eb6152f56Patch, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d0138ebe24b94065580bd2601f8bb7eb6152f56
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2011/07/20/18Mailing List, Third Party Advisory
• https://github.com/torvalds/linux/commit/0d0138ebe24b94065580bd2601f8bb7eb6152f56Patch, Third Party Advisory

Published

May 24, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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