7.8

CVE-2012-6689: linux linux_kernel Improper Access Control

Modified
AliasesUBUNTU-CVE-2012-6689DEBIAN-CVE-2012-6689
Published 02-05-2016Last modified 06-08-2024

Vulnerability summary

CVE-2012-6689 is a high (CVSS 7.8) Improper Access Control vulnerability in linux linux_kernel. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 23.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.31%
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
DLA-246-1RHSA-2014:1392

Timeline

  1. 02-05-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.31% on 05-10-2026

05-10-202604-11-2026

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, low-privilege account, no user interaction (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< 3.6.4-1
Linux1 product
  • linux_kernel< 3.0.44 | ≥ 3.1, < 3.2.30 | ≥ 3.3, < 3.4.12 | ≥ 3.5, < 3.5.5

3 vendors · 13 products

References

13 links
Show all 13 references