CVE-2013-2146: linux linux_kernel Improper Input Validation
Vulnerability summary
CVE-2013-2146 is a medium (CVSS 4.7) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 43% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 07-06-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
arch/x86/kernel/cpu/perf_event_intel.c in the Linux kernel before 3.8.9, when the Performance Events Subsystem is enabled, specifies an incorrect bitmask, which allows local users to cause a denial of service (general protection fault and system crash) by attempting to set a reserved bit.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.50% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundLinux
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu11 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
Debian1 product
- linux< 3.9.4-1
Linux1 product
- linux_kernel≤ 3.8.8 | 3.8.0 | 3.8.1 | 3.8.2 | 3.8.3 | 3.8.4 | 3.8.5 | 3.8.6 | 3.8.7
3 vendors · 13 products
References
18 links- bugzilla.redhat.com/show_bug.cgi?id=971309X Refsource CONFIRM
- github.com/torvalds/linux/commit/f1923820c447e986a9da0fc6bf60c1dccdf0408eX Refsource CONFIRMExploitPatch
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9X Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM