CVE-2021-43389

Advisory lineage Upstream: 0 Downstream: 39
Modified
Published: 04 Nov 2021, 18:39
Last modified:04 Aug 2024, 03:55

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

04 Nov 2021, 18:39
Published
Vulnerability first disclosed
04 Aug 2024, 03:55
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.

CVSS Metrics

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

EPSS Trends

Current EPSS score: 0.01% Percentile: 2%

Techniques & Countermeasures

  • CWE-125Out-of-bounds Read

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

Affected Systems

  • debiandebian_linux

    9.0 | 10.0

  • linuxlinux_kernel

    < 5.14.15

  • oraclecommunications_cloud_native_core_binding_support_function

    22.1.3

  • oraclecommunications_cloud_native_core_network_exposure_function

    22.1.1

  • oraclecommunications_cloud_native_core_policy

    22.2.0

  • redhatenterprise_linux

    8.0

References (10)