Open vSwitch Router DoS

The vulnerability of the ovsflowcmdset function in the netopenvswitch/datapath.c module, which is part of the Open vSwitch switchboard for Linux operating systems, involves releasing an incorrect pointer. Exploiting this vulnerability could allow a attacker to cause a service failure...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, where the nlalen field is of type u16. The vulnerability committed in a1e64addf3ff „net: openvswitch: remove misbehavin...

Open vSwitch Netdev Buffer Overflow DoS

The vulnerability of the ovsnetdevtunnelDestroy function in the net/openvswitch/vport-netdev.c module, which supports Open vSwitch routers in the Linux operating system, is related to the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to cause a service failur...

Linux net_openvswitch flow_netlink Privilege Escalation

The vulnerability of the netopenvswitch/flownetlink.c module in the Linux operating system is related to errors in processing parameter length settings. Exploiting this vulnerability can allow an attacker to increase their privileges...

Open vSwitch Buffer Overflow DoS

The vulnerability of the Open vSwitch multi-level switch lies in the fact that the output of operations goes beyond the buffer in memory. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

Open vSwitch Buffer Overflow DoS

The vulnerability of the Open vSwitch multi-level switch lies in reading data from buffers beyond their acceptable limits. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

USN-8658-4 linux-azure-fde-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: - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-64531...

USN-8658-4: Linux kernel (Azure CVM) 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: - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-64531...

USN-8643-5 linux-azure-6.8, linux-ibm, linux-ibm-6.8, linux-oracle-6.8, linux-raspi, linux-raspi-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: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

USN-8643-5: 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: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

USN-8659-4 linux-oracle vulnerability

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Open vSwitch;...

USN-8659-4: Linux kernel (Oracle) vulnerability

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Open vSwitch;...

Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel vulnerability (USN-8659-1)

The remote Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8659-1 advisory. A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This updat...

Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS : Linux kernel vulnerabilities (USN-8658-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8658-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the...

PT-2026-82041

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Open vSwitch;...

USN-8658-3: 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: - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-64531...

USN-8658-3 linux-azure, linux-azure-fde, linux-nvidia-tegra-igx 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: - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-64531...

USN-8643-4 linux-aws-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips, linux-nvidia-tegra 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: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

USN-8643-4: 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: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

USN-8659-3: Linux kernel (Azure) vulnerability

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Open vSwitch;...