Use-after-free in Linux kernel - CVE-2013-1797
Published: March 22, 2013 / Updated: August 11, 2020
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a crafted application that triggers use of a guest physical address (GPA) in (1) movable or (2) removable memory during an MSR_KVM_SYSTEM_TIME kvm_set_msr_common operation. A guest OS users can cause a denial of service (host OS memory corruption) or possibly have unspecified other impact.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
How to mitigate CVE-2013-1797
linux-lts-quantal (Ubuntu package) - update to 3.5.0-28.48~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0b79459b482e85cb7426aa7da683a9f2c97aeae1
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2013-0727.html
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://rhn.redhat.com/errata/RHSA-2013-0746.html
- http://rhn.redhat.com/errata/RHSA-2013-0928.html
- http://rhn.redhat.com/errata/RHSA-2013-1026.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/03/20/9
- http://www.ubuntu.com/usn/USN-1809-1
- http://www.ubuntu.com/usn/USN-1812-1
- http://www.ubuntu.com/usn/USN-1813-1
- https://bugzilla.redhat.com/show_bug.cgi?id=917013
- https://github.com/torvalds/linux/commit/0b79459b482e85cb7426aa7da683a9f2c97aeae1