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The vulnerability of the l2cap_sock_release function (net/bluetooth/l2cap_sock.c) in the Linux operating system’s kernel allows a attacker to cause a service failure or exert other adverse effects.

🗓️ 21 Aug 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

A memory after free vulnerability in the bluetooth socket release function within the Linux kernel's Layer Two Channel code can cause service failures.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2023-40283
14 Aug 202303:15
–attackerkb
Tenable Nessus		Alibaba Cloud Linux 3 : 0136: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0136)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2024:0897)
22 Feb 202400:00
–nessus
Tenable Nessus		Debian dla-3623 : linux-config-5.10 - security update
20 Oct 202300:00
–nessus
Tenable Nessus		Debian dla-3710 : hyperv-daemons - security update
16 Jan 202400:00
–nessus
Tenable Nessus		Debian DSA-5480-1 : linux - security update
22 Aug 202300:00
–nessus
Tenable Nessus		Debian DSA-5492-1 : linux - security update
10 Sep 202300:00
–nessus
Tenable Nessus		MiracleLinux 9 : kernel-5.14.0-362.18.1.el9_3 (AXSA:2024-7499:06)
20 Jan 202600:00
–nessus
Tenable Nessus		MiracleLinux 8 : kernel-4.18.0-513.18.1.el8_9 (AXSA:2024-7551:07)
20 Jan 202600:00
–nessus
Tenable Nessus		MiracleLinux 7 : kernel-3.10.0-1160.119.1.0.1.el7.AXS7 (AXSA:2024-8651:24)
20 Jan 202600:00
–nessus
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19 Aug 2025 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 26.8
CVSS 37.8
EPSS0.00012
bluetooth vulnerabilitymemory after freesocket release functionlinux kernellayer two channel
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