PT-2023-2680 · Linux+1 · Linux Kernel+1

Yu Hao · Published 2023-04-24 · Updated 2026-04-20 · CVE-2023-31082

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 version 6.2

Description An issue was discovered in drivers/tty/n gsm.c in the Linux kernel, where a sleeping function is called from an invalid context in gsmld write(), which will block the kernel. This issue is related to the use of an incorrect type of lock. Exploitation of this issue may allow an attacker to cause a denial of service.

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

Exploit

Improper Locking

Weakness Enumeration

CWE-763

CWE-667

Related Identifiers

BDU:2023-02520

CVE-2023-31082

ECHO-0A7A-0942-B7CC

Affected Products

Debian

Linux Kernel

References · 21

• 🔥 https://lore.kernel.org/all/CA+UBctCZok5FSQ=LPRA+A-jocW=[e-mail] · Exploit
• https://ubuntu.com/security/CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-31082 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02520 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2023-31082 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-31082 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-31082 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-31082 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-31082 · Security Note
• https://security.netapp.com/advisory/ntap-20230929-0003 · Note