PT-2024-11270 · Linux+1 · Linux Kernel+1

Hulk Robot · Published 2021-05-24 · Updated 2024-12-24 · CVE-2021-47264

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 Null-point-dereference issue has been resolved in the Linux kernel, specifically in the ASoC core, related to the function fmt single name(). The fix involves checking the return value of devm kstrdup() to prevent Null-point-dereference.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-07380

CVE-2021-47264

Affected Products

Astra Linux

Linux Kernel

References · 19

• https://security-tracker.debian.org/tracker/CVE-2021-47264 · Vendor Advisory
• https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47264 · Vendor Advisory
• https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 · Patch
• https://ubuntu.com/security/CVE-2021-47264 · Vendor Advisory
• https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 · Patch
• https://cve.org/CVERecord?id=CVE-2021-47264 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47264 · Security Note
• https://bdu.fstec.ru/vul/2025-07380 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47264 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47264 · Vendor Advisory
• https://git.kernel.org/linus/41daf6ba594d55f201c50280ebcd430590441da1 · Note
• https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=0e2c9aeb00289f279b8181fbd4c20765127d8943 · Note
• https://lore.kernel.org/linux-cve-announce/2024052148-CVE-2021-47264-a94a@gregkh · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.44 · Note