CVE-2022-0264

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 04 Feb 2022, 00:00
Last modified:02 Aug 2024, 23:25

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Feb 2022, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 23:25
Last Modified
Vulnerability information updated

Description

A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.09%• Percentile: 25%

Techniques & Countermeasures

  • CWE-755•Improper Handling of Exceptional Conditions

    The product does not handle or incorrectly handles an exceptional condition.

Affected Systems

  • linux•linux_kernel

    < 5.16 | 5.16 | 5.16:rc1 | 5.16:rc2 | 5.16:rc3 | 5.16:rc4 | 5.16:rc5

References (1)