CVE-2012-2373: linux linux_kernel
Vulnerability summary
CVE-2012-2373 is a medium (CVSS 4.0) vulnerability in linux linux_kernel. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.
Not severe (CVSS 4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 09-08-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.26% 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: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu12 products
- linux< 3.11.0-12.19 | < 4.2.0-16.19
- linux-aws< 4.4.0-1002.2 | < 4.4.0-1001.10
- linux-gke< 4.4.0-1003.3
- linux-goldfish< 3.4.0-4.27
- linux-hwe< 4.8.0-36.36~16.04.1
Linux1 product
- linux_kernel≤ 3.4.4 | 3.4 | 3.4:rc1 | 3.4:rc2 | 3.4:rc3 | 3.4:rc4 | 3.4:rc5 | 3.4:rc6 | 3.4:rc7 | 3.4.1 | 3.4.2 | 3.4.3
2 vendors · 13 products
References
16 links- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5X Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=822821X Refsource CONFIRM