PT-2025-40204 · Linux · Linux Kernel

Published 2023-01-20 · Updated 2025-10-02 · CVE-2023-53497

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 versions prior to 6.2.0-rc1-00023-g6c94e2e99343

Description The vsp1 driver in the Linux kernel incorrectly uses the vb2 is streaming() function to determine if the .start streaming() operation has been called. A change in the vb2 core code introduced a race condition where the streaming field is set before .start streaming() is called, leading the vsp1 driver to believe that streaming has started when it hasn't. This results in a kernel NULL pointer dereference and a system crash. The issue occurs when handling buffers in the vsp1 dl list add body function.

Recommendations Update to a version of the Linux kernel that contains the fix for this vulnerability.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-12821

CVE-2023-53497

Affected Products

Linux Kernel

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53497.json · Exploit
• https://osv.dev/vulnerability/CVE-2023-53497 · Vendor Advisory
• https://git.kernel.org/stable/c/b54f74214adf4e77cba6badf488c564dd353b491 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53497 · Vendor Advisory
• https://git.kernel.org/stable/c/960dc0aa4aa149f6f39125394f4feb51b7addc60 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53497 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53497 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53497 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53497 · Security Note
• https://bdu.fstec.ru/vul/2025-12821 · Security Note
• https://git.kernel.org/stable/c/52d8caca3d533cc499f1255be25576ffd936ec95 · Patch
• https://ubuntu.com/security/CVE-2023-53497 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53497 · Vendor Advisory
• https://twitter.com/CVEnew/status/1973391482875961468 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note