SB2014031113 - Buffer overflow in Linux kernel
Published: March 11, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014031113
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2014-0049)
The vulnerability allows a remote #AU# to execute arbitrary code.
Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86.c in the Linux kernel before 3.13.6 allows guest OS users to execute arbitrary code on the host OS by leveraging a loop that triggers an invalid memory copy affecting certain cancel_work_item data.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a08d3b3b99efd509133946056531cdf8f3a0c09b
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6
- http://www.openwall.com/lists/oss-security/2014/03/03/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1062368
- https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b