CVE-2022-23222

Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 14 Jan 2022, 00:00
Last modified:03 Aug 2024, 03:36

Vulnerability Summary

Overall Risk (default)
medium
41/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
1.11% LOW
1% probability +0.38%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

14 Jan 2022, 00:00
Published
Vulnerability first disclosed
03 Aug 2024, 03:36
Last Modified
Vulnerability information updated

Description

kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.

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
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.11%• Percentile: 78%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•debian_linux

    11.0

  • fedoraproject•fedora

    34 | 35

  • linux•linux_kernel

    ≥ 5.8.0, < 5.15.37 | ≥ 5.16, < 5.16.11

  • netapp•h300e

    na

  • netapp•h300s_firmware

    na

  • netapp•h410c_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500e

    na

  • netapp•h500s_firmware

    na

  • netapp•h700e

    na

  • netapp•h700s_firmware

    na

References (12)