AZL-42712 CVE-2023-5363 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

Issue summary: A bug has been identified in the processing of key and initialisation vector IV lengths. This can lead to potential truncation or overruns during the initialisation of some symmetric ciphers. Impact summary: A truncation in the IV can result in non-uniqueness, which could result in...

Ubuntu 22.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-6223-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6223-1 advisory. It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial ...

USN-6444-1: Linux kernel vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

AZL-42720 CVE-2023-45853 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip464 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an...

AZL-42741 CVE-2023-45853 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip464 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an...

USN-6347-1: Linux kernel (Azure CVM) vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the NTFS file system...

Ubuntu 20.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-6347-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6347-1 advisory. William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

USN-6223-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6135-1: Linux kernel (Azure CVM) vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-6135-1)

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-6135-1 advisory. Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch...

USN-5831-1: Linux kernel (Azure CVM) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

Ubuntu 22.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-5831-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5831-1 advisory. Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause...

The vulnerability of the XPC CVMServer service on Mac OS operating systems allows attackers to increase their privileges.

The vulnerability of the XPC CVMServer service on Mac OS operating systems is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability can allow attackers to increase their privileges...

USN-5752-1: Linux kernel (Azure CVM) vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to 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-2022-2602...

USN-5728-2: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5706-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2...

USN-5639-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Moshe Ko...

Ubuntu 20.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-5639-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5639-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

USN-5605-1: Linux kernel (Azure CVM) vulnerabilities

Asaf Modelevsky discovered that the IntelR 10GbE PCI Express ixgbe Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. CVE-2021-33061 It was discovered that the virtual terminal driver in the...