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 the Bluetooth L2CAP module having a read-after-slab-release issue in l2capsendcmd...

CVE-2025-21937: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Add check for mgmtallocskb in mgmtremotename Add check for the return value of mgmtallocskb in mgmtremotename to prevent null pointer dereference...

Ubuntu 24.04 LTS : Linux kernel (Low Latency) vulnerabilities (USN-7381-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7381-1 advisory. Attila Szsz discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a...

CVE-2025-21936: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Add check for mgmtallocskb in mgmtdeviceconnected Add check for the return value of mgmtallocskb in mgmtdeviceconnected to prevent null pointer dereference...

CVE-2025-21969: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-7403-1)

"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7403-1 advisory. Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker...

ASB-A-296915500

In generateFileInfo of BluetoothOppSendFileInfo.java, there is a possible cross user media disclosure due to a confused deputy. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7384-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7384-1 advisory. Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker...

Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-7382-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7382-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-7386-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7386-1 advisory. Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker...

The vulnerability of the ps CancelTimer() function in the Linux kernel Bluetooth driver allows a hacker to trigger a service failure.

The vulnerability of the ps CancelTimer function in the Linux kernel Bluetooth driver is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow a attacker to cause a service failure...

CVE-2022-49754

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix a buffer overflow in mgmtmeshadd Smatch Warning: net/bluetooth/mgmtutil.c:375 mgmtmeshadd error: memcpy 'meshtx-param' too small 48 vs 50 Analysis: 'meshtx-param' is array of size 48. This is the destination. u8...

SUSE CVE-2022-49754

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix a buffer overflow in mgmtmeshadd Smatch Warning: net/bluetooth/mgmtutil.c:375 mgmtmeshadd error: memcpy 'meshtx-param' too small 48 vs 50 Analysis: 'meshtx-param' is array of size 48. This is the destination. u8...

SUSE CVE-2023-53016

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix possible deadlock in rfcommskstatechange syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease could have the...

SUSE CVE-2023-53017

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix memory leak in hciupdateadvdata When hcicmdsyncqueue failed in hciupdateadvdata, instptr is not freed, which will cause memory leak, convert to use ERRPTR/PTRERR to pass the instance to callback so no memo...

SUSE CVE-2023-53018

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix memory leaks When hcicmdsyncqueue failed in hcileterminatebig or hcilebigterminate, the memory pointed by variable d is not freed, which will cause memory leak. Add release process to error path...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7383-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7383-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 24.04 LTS : Linux kernel (IBM) vulnerabilities (USN-7385-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7385-1 advisory. Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker...

Ubuntu 24.10 : Linux kernel (Low Latency) vulnerabilities (USN-7380-1)

"The remote Ubuntu 24.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7380-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in th...

USN-7383-2 linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...