PT-2024-11156 · Linux · Linux Kernel

Qiu Wenbo · Published 2021-05-11 · Updated 2024-12-09 · CVE-2021-47079

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 pointer dereference issue has been resolved in the Linux kernel. The third parameter of dytc cql command should not be NULL, as it will be dereferenced immediately. This issue is related to the platform/x86: ideapad-laptop component.

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:2025-07267

CVE-2021-47079

Affected Products

Linux Kernel

References · 13

• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47079 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47079 · Security Note
• https://bdu.fstec.ru/vul/2025-07267 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47079 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47079 · Security Note
• https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1 · Patch
• https://ubuntu.com/security/CVE-2021-47079 · Vendor Advisory
• https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd · Patch
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.7 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47079 · Note
• https://lore.kernel.org/linux-cve-announce/2024030142-CVE-2021-47079-3934@gregkh · Note
• https://lore.kernel.org/linux-cve-announce/2024030142-CVE-2021-47079-3934@gregkh/T/#u · Note
• https://git.kernel.org/linus/ff67dbd554b2aaa22be933eced32610ff90209dd · Note