CVE-2019-8980

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 21 Feb 2019, 05:00
Last modified:04 Aug 2024, 21:31

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
1.63% LOW
2% probability -0.44%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 Feb 2019, 05:00
Published
Vulnerability first disclosed
04 Aug 2024, 21:31
Last Modified
Vulnerability information updated

Description

A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 1.63%• Percentile: 82%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 18.10

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    ≥ 4.7, < 4.9.163 | ≥ 4.14, < 4.14.106 | ≥ 4.19, < 4.19.28 | ≥ 4.20, < 4.20.15 | ≥ 5.0, < 5.0.1 | 5.1:rc1

  • opensuse•leap

    15.0

References (10)