CVE-2012-2119: linux linux_kernel
Vulnerability summary
CVE-2012-2119 is a medium (CVSS 5.2) vulnerability in linux linux_kernel. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.
Not severe (CVSS 5.2, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 22-01-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability 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
1 score · 1 source · 1 versionEPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.71% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- linux< 3.2.20-1
Linux1 product
- linux_kernel≤ 3.4.4 | 3.4 | 3.4.1 | 3.4.2 | 3.4.3
2 vendors · 2 products
References
11 links- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5X Refsource CONFIRM
- github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73X Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM
- bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278X Refsource CONFIRM
