7.8

CVE-2019-19543: linux linux_kernel Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2019-19543DEBIAN-CVE-2019-19543
Published 03-12-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-19543 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.38%
0%100%
Low · 0.00 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 11
OPENSUSE-SU-2019:2675-1RHSA-2020:4431RHSA-2020:4609SUSE-SU-2019:3289-1SUSE-SU-2019:3316-1SUSE-SU-2019:3317-1

Timeline

  1. 03-12-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In the Linux kernel before 5.1.6, there is a use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

0.00 pp

From 0.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.38%

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

Ubuntu26 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 | < 5.0.0-1018.19~18.04.1
Debian1 product
  • linux< 5.2.6-1
Linux1 product

3 vendors · 28 products

References

8 links