Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8258-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8258-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the...

USN-8258-1 linux-azure vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Ubuntu 24.04 LTS / 25.04 : Linux kernel (Azure) vulnerabilities (USN-7934-1)

The remote Ubuntu 24.04 LTS / 25.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7934-1 advisory. It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest...

Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-7880-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7880-1 advisory. It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7596-1)

"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-7596-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7521-2: Linux kernel (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; - x86 architecture; - Block layer subsystem; - Serial ATA and Parallel...

USN-7506-3 linux-fips vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7506-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7506-1 advisory. Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of devi...

Ubuntu 18.04 LTS : Linux kernel (IBM) vulnerabilities (USN-7463-1)

"The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7463-1 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cau...

Ubuntu 24.04 LTS : Linux kernel (Real-time) vulnerabilities (USN-7453-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7453-1 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...

USN-7392-3: Linux kernel (AWS) vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Attila Szász discovered that the HFS+ file system...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7388-1)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7388-1 advisory. Attila Szsz discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker cou...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7387-1)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7387-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7289-4)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7289-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7123-1: Linux kernel (Azure) vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate certain SMB messages, leading to an out-of-bounds read vulnerability. An attacker could use this to cause a denial of service system crash or possibly expose sensitive information...

USN-7089-3: Linux kernel vulnerabilities

Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing. A local attacker could possibly use this to cause a denial of service. CVE-2024-25741 Several security issues were discovered in the Linux kernel. An...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7095-1)

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-7095-1 advisory. Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-7089-3)

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-7089-3 advisory. Chenyuan Yang discovered that the USB Gadget subsystem in the Linux kernel did not properly check for the device to be enabled before writing...

USN-7009-1: Linux kernel vulnerabilities

Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2024-23848 Chenyuan Yang discovered that the USB Gadget subsystem in...

MGASA-2021-0588 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.11 and fixes at least the following security issues: netdevsim: Zero-initialize memory for new map's value in function nsimbpfmapalloc CVE-2021-4135. Potentially malicious XEN PV backends can cause guest DoS due to unhardened frontends in the guests,...