SB2014111012 - Permissions, Privileges, and Access Controls in Linux kernel
Published: November 10, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014111012
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-3647)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=234f3ce485d54017f15cf5e0699cff4100121601
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d1442d85cc30ea75f7d399474ca738e0bc96f715
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://www.debian.org/security/2014/dsa-3060
- http://www.openwall.com/lists/oss-security/2014/10/24/9
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/70748
- http://www.ubuntu.com/usn/USN-2394-1
- http://www.ubuntu.com/usn/USN-2417-1
- http://www.ubuntu.com/usn/USN-2418-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1144897
- https://github.com/torvalds/linux/commit/234f3ce485d54017f15cf5e0699cff4100121601
- https://github.com/torvalds/linux/commit/d1442d85cc30ea75f7d399474ca738e0bc96f715