CVE-2012-2119
Advisory lineage Upstream: 0 Downstream: 2
Downstream
Modified
Published: 22 Jan 2013, 23:00
Last modified:06 Aug 2024, 19:26
Vulnerability Summary
Overall Risk (default)
low
21/100 CVSS Score
5.2 MEDIUM
v2.0 (nvd)
EPSS Score
0.34% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
22 Jan 2013, 23:00
Published
Vulnerability first disclosed
06 Aug 2024, 19:26
Last Modified
Vulnerability information updated
Description
Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.
CVSS Metrics
- v2.0•MEDIUM•Score: 5.2AV:A/AC:M/Au:S/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.34%• Percentile: 57%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- linux•linux_kernel
≤ 3.4.4 | 3.4 | 3.4.1 | 3.4.2 | 3.4.3
References (10)
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
- http://rhn.redhat.com/errata/RHSA-2012-0743.html
- https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278
- http://marc.info/?l=linux-netdev&m=133455718001608&w=2
- http://ubuntu.com/usn/usn-1529-1
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73
- http://www.openwall.com/lists/oss-security/2012/04/19/14