CVE-2014-0049
Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 11 Mar 2014, 01:00
Last modified:06 Aug 2024, 09:05
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.4 HIGH
v2.0 (nvd)
EPSS Score
0.2% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
11 Mar 2014, 01:00
Published
Vulnerability first disclosed
06 Aug 2024, 09:05
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v2.0•HIGH•Score: 7.4AV:A/AC:M/Au:S/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.20%• Percentile: 41%
Techniques & Countermeasures
- CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected Systems
- linux•linux_kernel
< 3.13.6
References (5)
- 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://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b
- https://bugzilla.redhat.com/show_bug.cgi?id=1062368