Input validation error in Linux kernel - CVE-2013-0228
Published: March 1, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43040
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-0228
CWE-ID: CWE-20
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.
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.
How to mitigate CVE-2013-0228
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=13d2b4d11d69a92574a55bfd985cfb0ca77aebdc
- 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/13d2b4d11d69a92574a55bfd985cfb0ca77aebdc