CVE-2022-4378

Advisory lineage Upstream: 0 Downstream: 88
Modified
Published: 05 Jan 2023, 00:00
Last modified:10 Apr 2025, 14:19

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (cve.org)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jan 2023, 00:00
Published
Vulnerability first disclosed
10 Apr 2025, 14:19
Last Modified
Vulnerability information updated

Description

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Metrics

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

EPSS Trends

Current EPSS score: 0.03%• Percentile: 10%

Techniques & Countermeasures

  • CWE-131•Incorrect Calculation of Buffer Size

    The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • linux•linux_kernel

    ≥ 4.9.0, ≤ 4.9.337 | ≥ 4.14.0, ≤ 4.14.302 | ≥ 4.19.0, ≤ 4.19.269 | ≥ 5.4.0, ≤ 5.4.228 | ≥ 5.10.0, ≤ 5.10.162 | ≥ 5.15.0, ≤ 5.15.86 | ≥ 6.0.0, ≤ 6.0.11

References (5)