CVE-2021-43267

Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 02 Nov 2021, 22:13
Last modified:04 Aug 2024, 03:55

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
72.62% CRITICAL
73% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

02 Nov 2021, 22:13
Published
Vulnerability first disclosed
04 Aug 2024, 03:55
Last Modified
Vulnerability information updated

Description

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 72.62%• Percentile: 99%

Techniques & Countermeasures

  • CWE-1284•Improper Validation of Specified Quantity in Input

    The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

Affected Systems

  • fedoraproject•fedora

    34 | 35

  • linux•linux_kernel

    ≥ 5.10, < 5.10.77 | ≥ 5.11, < 5.14.16

  • netapp•h300e

    na

  • netapp•h300s_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500e

    na

  • netapp•h500s_firmware

    na

  • netapp•h700e

    na

  • netapp•h700s_firmware

    na

References (6)