Vulnerability Description
The xen_iret function in arch/x86/xen/xen-asm_32.S in the Linux kernel before 3.7.9 on 32-bit Xen paravirt_ops platforms does not properly handle an invalid value in the DS segment register, which allows guest OS users to gain guest OS privileges via a crafted application.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.7.8 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.9
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/13/10
- http://www.ubuntu.com/usn/USN-1795-1
- http://www.ubuntu.com/usn/USN-1796-1
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1805-1
- http://www.ubuntu.com/usn/USN-1808-1
- https://bugzilla.redhat.com/show_bug.cgi?id=906309
- https://github.com/torvalds/linux/commit/13d2b4d11d69a92574a55bfd985cfb0ca77aebd
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.9
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/13/10
FAQ
What is CVE-2013-0228?
CVE-2013-0228 is a vulnerability with a CVSS score of 6.2 (MEDIUM). The xen_iret function in arch/x86/xen/xen-asm_32.S in the Linux kernel before 3.7.9 on 32-bit Xen paravirt_ops platforms does not properly handle an invalid value in the DS segment register, which all...
How severe is CVE-2013-0228?
CVE-2013-0228 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-0228?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.