4.7

CVE-2019-15921: linux linux_kernel

CVSS: 4.7v3.1MediumModified
AliasesUBUNTU-CVE-2019-15921DEBIAN-CVE-2019-15921
Published 04-09-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15921 is a medium (CVSS 4.7) vulnerability in linux linux_kernel. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 12 · Related 10
OPENSUSE-SU-2019:2173-1OPENSUSE-SU-2019:2181-1RHSA-2019:3309RHSA-2019:3517SUSE-SU-2019:2412-1SUSE-SU-2019:2414-1

Timeline

  1. 04-09-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel before 5.0.6. There is a memory leak issue when idr_alloc() fails in genl_register_family() in net/netlink/genetlink.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Linux

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Ubuntu21 products
  • linux< 4.15.0-60.67
  • linux-aws< 4.15.0-1047.49
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1047.49~16.04.1
  • linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1
Debian1 product
  • linux< 4.19.37-1
Linux1 product
Opensuse1 product

4 vendors · 24 products

References

9 links