Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-7514-1)

"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-7514-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

kernel: Bluetooth: hci_conn: Use disable_delayed_work_sync

A flaw was found in the Bluetooth subsystem of the Linux kernel, in the handling of delayed work within the hciconn Host Controller Interface connection structure. The kernel used canceldelayedworksync when shutting down a connection, which cancels ongoing work but allows rescheduling. This could...

kernel: Bluetooth: Fix memory leak in hci_req_sync_complete()

This CVE identifies a memory leak in the Linux kernel's Bluetooth subsystem, specifically within the hcireqsynccomplete function. The issue arises because the function fails to release the previous synchronization request state before assigning a new one, leading to increased memory usage over...

USN-7461-3 linux-xilinx-zynqmp 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-2 linux-aws-fips 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-2: Linux kernel (AWS FIPS) 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-1: Linux kernel 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-1 linux-aws, linux-aws-5.4, linux-gcp-5.4, linux-iot 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-2: Linux kernel (FIPS) 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-2 linux-azure-fips, linux-fips, linux-gcp-fips 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-1 linux, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-hwe-5.4, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-1: Linux kernel 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7462-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7462-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7461-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7461-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

The vulnerability of the `rfcomm_sock_alloc()` function in the `net/bluetooth/rfcomm/sock.c` module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the rfcommsockalloc function in the net/bluetooth/rfcomm/sock.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibili...

PT-2025-38568

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the Bluetooth subsystem’s virtual HCI vhci component. A use-after-free condition can occur due to debugfs files such as force suspend and force...

The vulnerability of the hci_conn_del_sysfs() function in the net/bluetooth/hci_sysfs.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the hciconndelsysfs function in the net/bluetooth/hcisysfs.c module of the Linux kernel is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

DEBIAN-CVE-2025-21969

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...

USN-7379-2 linux-raspi 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

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...