4.9

CVE-2012-4398: linux linux_kernel Improper Input Validation

Modified
AliasesRHSA-2013:1348UBUNTU-CVE-2012-4398DEBIAN-CVE-2012-4398
Published 18-02-2013Last modified 06-08-2024

Vulnerability summary

CVE-2012-4398 is a medium (CVSS 4.9) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2012:1282RHSA-2013:0223

Timeline

  1. 18-02-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The __request_module function in kernel/kmod.c in the Linux kernel before 3.4 does not set a certain killable attribute, which allows local users to cause a denial of service (memory consumption) via a crafted application.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat18 products
  • kernel< 0:2.6.18-371.el5
  • kernel-debug< 0:2.6.18-371.el5
  • kernel-debug-debuginfo< 0:2.6.18-371.el5
  • kernel-debug-devel< 0:2.6.18-371.el5
  • kernel-debuginfo< 0:2.6.18-371.el5
Ubuntu14 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-flo< 3.4.0-1.3 | < 3.4.0-5.22
  • linux-gke< 4.4.0-1003.3
  • linux-goldfish< 3.4.0-1.9 | < 3.4.0-4.27
Debian1 product
  • linux< 3.2.35-1
Linux1 product
  • linux_kernel≤ 3.4 | 3.0:rc1 | 3.0:rc2 | 3.0:rc3 | 3.0:rc4 | 3.0:rc5 | 3.0:rc6 | 3.0:rc7 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.16 | 3.0.17 | 3.0.18 | 3.0.19 | 3.0.20 | 3.0.21 | 3.0.22 | 3.0.23 | 3.0.24 | 3.0.25 | 3.0.26 | 3.0.27 | 3.0.28 | 3.0.29 | 3.0.30 | 3.0.31 | 3.0.32 | 3.0.33 | 3.0.34 | 3.0.35 | 3.0.36 | 3.0.37 | 3.0.38 | 3.0.39 | 3.0.40 | 3.0.41 | 3.0.42 | 3.0.43 | 3.0.44 | 3.1 | 3.1:rc1 | 3.1:rc2 | 3.1:rc3 | 3.1:rc4 | 3.11 | 3.12 | 3.13 | 3.14 | 3.15 | 3.16 | 3.17 | 3.18 | 3.19 | 3.1.10 | 3.2 | 3.2:rc2 | 3.2:rc3 | 3.2:rc4 | 3.2:rc5 | 3.2:rc6 | 3.2:rc7 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.2.5 | 3.2.6 | 3.2.7 | 3.2.8 | 3.2.9 | 3.2.10 | 3.2.11 | 3.2.12 | 3.2.13 | 3.2.14 | 3.2.15 | 3.2.16 | 3.2.17 | 3.2.18 | 3.2.19 | 3.2.20 | 3.2.21 | 3.2.22 | 3.2.23 | 3.2.24 | 3.2.25 | 3.2.26 | 3.2.27 | 3.2.28 | 3.2.29 | 3.2.30 | 3.3 | 3.3:rc1 | 3.3:rc2 | 3.3:rc3 | 3.3:rc4 | 3.3:rc5 | 3.3:rc6 | 3.3:rc7 | 3.3.1 | 3.3.2 | 3.3.3 | 3.3.4 | 3.3.5 | 3.3.6 | 3.3.7 | 3.3.8 | 3.4:rc1 | 3.4:rc2 | 3.4:rc3 | 3.4:rc4 | 3.4:rc5 | 3.4:rc6

4 vendors · 34 products

References

34 links
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