Bluetooth: L2CAP: Fix not validating setsockopt user input

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Ubuntu Pro 24.04 LTS Realtime Kernel : Linux kernel (Real-time) vulnerabilities (USN-7767-1)

"The remote Ubuntu Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7767-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This...

USN-7766-1 linux-aws-6.8, linux-gcp-6.8 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

Linux Distros Unpatched Vulnerability : CVE-2025-21925

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver cal...

Linux Distros Unpatched Vulnerability : CVE-2023-52843

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - llc: verify mac len before reading mac header LLC reads the mac header with ethhdr without verifying that the skb has an Ethernet header. Syzbot was able to ent...

USN-7516-9 linux-aws 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; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

USN-7510-6 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Network block device...

USN-7517-3 linux-bluefield 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; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

USN-7516-6 linux-ibm 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; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

USN-7516-5 linux-hwe-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: - ARM64 architecture; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

USN-7510-5 linux-azure-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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Network block device...

USN-7510-4 linux-intel-iot-realtime, 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Network block device...

USN-7510-1 linux, linux-gkeop, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Network block device...

kernel: Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()

in linux kernel bluetooth L2CAP, l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range...

The vulnerability of the llc component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the llc component in the Linux operating system’s kernel is related to the use of an uninitialized resource. Exploiting this vulnerability can allow an attacker to cause a service failure...

USN-7121-3 linux-oracle 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; - S390 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ATM...

USN-7121-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle 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; - S390 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ATM...

Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()

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USN-6819-4: Linux kernel (Oracle) vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6819-4)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6819-4 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...