CVE-2009-1527

Description

Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.

Affected Platforms

Weakness Type

CWE-362

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=…
• http://secunia.com/advisories/34977
• http://secunia.com/advisories/35120
• http://wiki.rpath.com/Advisories:rPSA-2009-0084
• http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
• http://www.openwall.com/lists/oss-security/2009/05/04/2