5.5

CVE-2017-6951: linux linux_kernel NULL Pointer Dereference

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2017-6951DEBIAN-CVE-2017-6951
Published 16-03-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-6951 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.39%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 6
DLA-922-1MGASA-2017-0136MGASA-2017-0147MGASA-2017-0148RHSA-2017:1842RHSA-2017:2077

Timeline

  1. 16-03-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "dead" type.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

-0.01 pp

From 0.39% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu19 products
  • linux< 3.13.0-132.181
  • linux-azureAll versions (No fix recorded)
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
  • linux< 4.0.2-1
Linux1 product

3 vendors · 21 products

References

12 links
Show all 12 references