4.7

CVE-2013-2146: linux linux_kernel Improper Input Validation

Modified
AliasesUBUNTU-CVE-2013-2146DEBIAN-CVE-2013-2146
Published 07-06-2013Last modified 06-08-2024

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.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v2.0 (NVD)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 3

Timeline

  1. 07-06-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 version

EPSS 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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Linux

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

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
Show all 18 references