PRIOn knowledge basePRION:CVE-2013-0228Design/Logic Flaw
6.9 Medium
AI Score
Confidence
Low
6.2 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
0.002 Low
EPSS
Percentile
63.9%
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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d2b4d11d69a92574a55bfd985cfb0ca77aebdc
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.9
www.mandriva.com/security/advisories?name=MDVSA-2013:176
www.openwall.com/lists/oss-security/2013/02/13/10
www.ubuntu.com/usn/USN-1795-1
www.ubuntu.com/usn/USN-1796-1
www.ubuntu.com/usn/USN-1797-1
www.ubuntu.com/usn/USN-1805-1
www.ubuntu.com/usn/USN-1808-1
bugzilla.redhat.com/show_bug.cgi?id=906309
github.com/torvalds/linux/commit/13d2b4d11d69a92574a55bfd985cfb0ca77aebdc
Related
6.9 Medium
AI Score
Confidence
Low
6.2 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
0.002 Low
EPSS
Percentile
63.9%