PT-2024-11183 · Linux · Linux Kernel

Basavaraj Natikar · Published 2021-05-27 · Updated 2025-01-07 · CVE-2021-47133

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak was detected in the amd sfh driver of the Linux kernel. The Kmemleak tool identified an unreferenced object, indicating a memory leak. The issue is related to the amd sfh get report function and the amdtp hid request function. The fix involves freeing the request list entry once the processed entry is removed from the request list.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2025-07353

CVE-2021-47133

Affected Products

Linux Kernel

References · 13

• https://ubuntu.com/security/CVE-2021-47133 · Vendor Advisory
• https://git.kernel.org/stable/c/5ad755fd2b326aa2bc8910b0eb351ee6aece21b1 · Patch
• https://osv.dev/vulnerability/CVE-2021-47133 · Vendor Advisory
• https://git.kernel.org/stable/c/29beadea66a226d744d5ffdcde6b984623053d24 · Patch
• https://bdu.fstec.ru/vul/2025-07353 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47133 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47133 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47133 · Security Note
• https://lore.kernel.org/linux-cve-announce/2024031514-CVE-2021-47133-1141@gregkh · Note
• https://twitter.com/CVEnew/status/1768738322824806571 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47133 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10 · Note
• https://git.kernel.org/linus/5ad755fd2b326aa2bc8910b0eb351ee6aece21b1 · Note