VulnerabilityModified
CVE-2013-0311
The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.
MEDIUM 6.5EPSS 0.64%
Does this matter?
Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.
Description
The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.
- CVSS 2.0
- 6.5 MEDIUMAV:A/AC:H/Au:S/C:C/I:C/A:C
- EPSS
- 0.64% probability · 49th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2013-0496.html
- http://rhn.redhat.com/errata/RHSA-2013-0579.html
- http://rhn.redhat.com/errata/RHSA-2013-0882.html
- http://rhn.redhat.com/errata/RHSA-2013-0928.html
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2Patch
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/20/6
- https://bugzilla.redhat.com/show_bug.cgi?id=912905
- https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2013-0496.html
- http://rhn.redhat.com/errata/RHSA-2013-0579.html
- http://rhn.redhat.com/errata/RHSA-2013-0882.html
- http://rhn.redhat.com/errata/RHSA-2013-0928.html
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2Patch
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/20/6
- https://bugzilla.redhat.com/show_bug.cgi?id=912905
- https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.