Race condition in Linux kernel - CVE-2013-0871
Published: February 18, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43090
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-0871
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Race condition in the ptrace functionality in the Linux kernel before 3.7.5 allows local users to gain privileges via a PTRACE_SETREGS ptrace system call in a crafted application, as demonstrated by ptrace_death.
How to mitigate CVE-2013-0871
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9899d11f654474d2d54ea52ceaa2a1f4db3abd68
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2013-0567.html
- http://rhn.redhat.com/errata/RHSA-2013-0661.html
- http://rhn.redhat.com/errata/RHSA-2013-0662.html
- http://rhn.redhat.com/errata/RHSA-2013-0695.html
- http://www.debian.org/security/2013/dsa-2632
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.5
- http://www.openwall.com/lists/oss-security/2013/02/15/16
- http://www.ubuntu.com/usn/USN-1736-1
- http://www.ubuntu.com/usn/USN-1737-1
- http://www.ubuntu.com/usn/USN-1738-1
- http://www.ubuntu.com/usn/USN-1739-1
- http://www.ubuntu.com/usn/USN-1740-1
- http://www.ubuntu.com/usn/USN-1741-1
- http://www.ubuntu.com/usn/USN-1742-1
- http://www.ubuntu.com/usn/USN-1743-1
- http://www.ubuntu.com/usn/USN-1744-1
- http://www.ubuntu.com/usn/USN-1745-1
- https://bugzilla.redhat.com/show_bug.cgi?id=911937
- https://github.com/torvalds/linux/commit/9899d11f654474d2d54ea52ceaa2a1f4db3abd68