PT-2025-13329 · Linux+3 · Linux Kernel+3

Published 2023-01-30 · Updated 2026-02-13 · CVE-2023-52983

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A use-after-free issue has been identified in the Linux kernel, specifically in the block, bfq component. The issue arises when bic->bfqq is accessed in bic set bfqq(), but bic->bfqq is freed in certain contexts before bic set bfqq() is called. This problem is resolved by ensuring that bfqq is always freed after bic set bfqq().

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-06277

CVE-2023-52983

OPENSUSE-SU-2025_1195-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1195-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1195-1

SUSE-SU-2025_1241-1

SUSE-SU-2026:0475-1

SUSE-SU-2026:0495-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1392

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_0995_watch_queue.rb · Exploit
• 🔥 https://github.com/qazbnm456/awesome-cve-poc/blob/master/CVE-2017-5753.md · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52983.json · Exploit
• 🔥 https://github.com/Bonfee/CVE-2022-0995 · Exploit
• 🔥 https://github.com/TurtleARM/CVE-2023-0179-PoC · Exploit
• 🔥 https://github.com/H4K6/CVE-2023-0179-PoC · Exploit
• 🔥 https://github.com/EdwardOwusuAdjei/Spectre-PoC · Exploit
• https://git.kernel.org/stable/c/b600de2d7d3a16f9007fad1bdae82a3951a26af2 · Patch
• https://git.kernel.org/stable/c/7f77f3dab5066a7c9da73d72d1eee895ff84a8d5 · Patch
• https://git.kernel.org/stable/c/cb1876fc33af26d00efdd473311f1b664c77c44e · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52983 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-52983 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-06277 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0495-1 · Vendor Advisory