CVE-2021-47417

MEDIUM

Linux Kernel 5.13-5.14.12 - Use-After-Free in libbpf strset

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: libbpf: Fix memory leak in strset Free struct strset itself, not just its internal parts.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/9e8e7504e09831c469b67d6dc11d9a72654bdb8c

Patch

https://git.kernel.org/stable/c/b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac

Scores

CVSS v3 5.5

EPSS 0.0019

EPSS Percentile 9.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 5.13

Linux/Linux 5.13

Linux/Linux 5.14.12 - 5.14.*

Linux/Linux 5.15

Linux/Linux 90d76d3ececc74bf43b2a97f178dadfa1e52be54 - 9e8e7504e09831c469b67d6dc11d9a72654bdb8c

Linux/Linux 90d76d3ececc74bf43b2a97f178dadfa1e52be54 - b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac

linux/linux_kernel 5.15 rc1 (4 CPE variants)

linux/linux_kernel 5.13 - 5.14.12

Published May 21, 2024

Tracked Since Feb 18, 2026