6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
kernel-rt is vulnerable to privilege escalation. A race condition was found in the way the Linux kernel’s ptrace implementation handled PTRACE_SETREGS requests when the debuggee was woken due to a SIGKILL signal instead of being stopped. A local, unprivileged user could use this flaw to escalate their privileges.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68
lists.opensuse.org/opensuse-security-announce/2013-02/msg00022.html
lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html
lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
rhn.redhat.com/errata/RHSA-2013-0567.html
rhn.redhat.com/errata/RHSA-2013-0661.html
rhn.redhat.com/errata/RHSA-2013-0662.html
rhn.redhat.com/errata/RHSA-2013-0695.html
www.debian.org/security/2013/dsa-2632
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5
www.openwall.com/lists/oss-security/2013/02/15/16
www.ubuntu.com/usn/USN-1736-1
www.ubuntu.com/usn/USN-1737-1
www.ubuntu.com/usn/USN-1738-1
www.ubuntu.com/usn/USN-1739-1
www.ubuntu.com/usn/USN-1740-1
www.ubuntu.com/usn/USN-1741-1
www.ubuntu.com/usn/USN-1742-1
www.ubuntu.com/usn/USN-1743-1
www.ubuntu.com/usn/USN-1744-1
www.ubuntu.com/usn/USN-1745-1
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=858396
bugzilla.redhat.com/show_bug.cgi?id=911937
github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68
rhn.redhat.com/errata/RHSA-2013-0622.html