CVE-2023-53305

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej...

CLSA-2025-1758034087 kernel: Fix of 24 CVEs

tls: always refresh the queue when reading sock CVE-2025-38471 - Bluetooth: hcicore: Fix use-after-free in vhciflush CVE-2025-38250 - i2c/designware: Fix an initialization issue CVE-2025-38380 - wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds CVE-2025-38159 - mm/hugetlb:...

CLSA-2025-1758019011 Fix of 17 CVEs

CVE-2024-50047 fix. // CVE-url: https://ubuntu.com/security/CVE-2025-38488 - smb: client: fix use-after-free in cryptmessage when using async crypto CVE-url: https://ubuntu.com/security/CVE-2024-57996 // CVE-url: https://ubuntu.com/security/CVE-2025-37752 - netsched: schsfq: move the limit...

CVE-2023-53297

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

CVE-2023-53297 Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

CVE-2023-53297

CVE-2023-53297 affects the Linux kernel Bluetooth L2CAP path, where conn->chan_lock was not held before l2cap_get_chan_by_scid; if that call returns NULL, a “bad unlock balance” condition is triggered. Multiple connected advisories (Astra Linux, MiracleLinux, RHEL kernels) document the fix as ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a post-release reuse issue in l2caplecommandrej...

CVE-2023-53305: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej...

CVE-2023-53297: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly acquiring conn-chanlock in l2capdisconnectrsp, which could lead to a lock balancing error...

CVE-2024-45431: Improper Input Validation

OpenSynergy BlueSDK aka Blue SDK through 6.x has Improper Input Validation. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of proper validation of remote L2CAP channel ID CID. An attacker can leverage this to create an L2CAP channel with the null...

Linux l2cap_send_cmd() Data Compromise

The vulnerability of the l2capsendcmd function in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

LSN-0114-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test . In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test repo...

Linux Distros Unpatched Vulnerability : CVE-2022-3640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2capconndel of the file net/bluetooth/l2capcore.c of the...

Linux Distros Unpatched Vulnerability : CVE-2020-25661

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Red Hat only CVE-2020-12351 regression issue was found in the way the Linux kernel's Bluetooth implementation handled L2CAP packets with A2MP CID. This flaw...

SUSE CVE-2025-38473

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix null-ptr-deref in l2capsockresumecb syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar problem that was fixed by commit 1bff51ea59a9 "Bluetooth: fix use-after-free error in...

DEBIAN-CVE-2025-38473

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix null-ptr-deref in l2capsockresumecb syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar problem that was fixed by commit 1bff51ea59a9 "Bluetooth: fix use-after-free error in...

AZL-72971 CVE-2025-38473 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix null-ptr-deref in l2capsockresumecb syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar problem that was fixed by commit 1bff51ea59a9 "Bluetooth: fix use-after-free error in...

UBUNTU-CVE-2025-38473

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix null-ptr-deref in l2capsockresumecb syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar problem that was fixed by commit 1bff51ea59a9 "Bluetooth: fix use-after-free error in...

CVE-2025-38473

CVE-2025-38473 affects the Linux kernel Bluetooth subsystem. A null-ptr-deref in l2cap_sock_resume_cb() can occur when handling l2cap sockets during resume/kill sequences. The fix adds a guard to ensure chan->data is not NULL, avoiding use-after-free/killed-socket access. The description refer...