[USN-6555-2] X.Org X Server vulnerabilities
== Ubuntu Security Notice USN-6555-2 December 13, 2023 xorg-server vulnerabilities == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Several security issues were fixed in X.Org X Server. Software Description: - xorg-server: X.Org X11 server Details: USN-6555-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): xserver-xorg-core 2:1.19.6-1ubuntu4.15+esm3 xwayland2:1.19.6-1ubuntu4.15+esm3 Ubuntu 16.04 LTS (Available with Ubuntu Pro): xserver-xorg-core 2:1.18.4-0ubuntu0.12+esm8 xwayland2:1.18.4-0ubuntu0.12+esm8 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6555-2 https://ubuntu.com/security/notices/USN-6555-1 CVE-2023-6377, CVE-2023-6478 signature.asc Description: PGP signature
[USN-6555-1] X.Org X Server vulnerabilities
== Ubuntu Security Notice USN-6555-1 December 13, 2023 xorg-server, xwayland vulnerabilities == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in X.Org X Server. Software Description: - xorg-server: X.Org X11 server - xwayland: X server for running X clients under Wayland Details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this issue to cause the X Server to crash, execute arbitrary code, or escalate privileges. (CVE-2023-6377) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the RRChangeOutputProperty and RRChangeProviderProperty APIs. An attacker could possibly use this issue to cause the X Server to crash, or obtain sensitive information. (CVE-2023-6478) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: xserver-xorg-core 2:21.1.7-3ubuntu2.4 xwayland2:23.2.0-1ubuntu0.3 Ubuntu 23.04: xserver-xorg-core 2:21.1.7-1ubuntu3.4 xwayland2:22.1.8-1ubuntu1.3 Ubuntu 22.04 LTS: xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.5 xwayland2:22.1.1-1ubuntu0.9 Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.12 xwayland2:1.20.13-1ubuntu1~20.04.12 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6555-1 CVE-2023-6377, CVE-2023-6478 Package Information: https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.7-3ubuntu2.4 https://launchpad.net/ubuntu/+source/xwayland/2:23.2.0-1ubuntu0.3 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.7-1ubuntu3.4 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.8-1ubuntu1.3 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.7~22.04.5 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.9 https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.12 OpenPGP_signature.asc Description: OpenPGP digital signature
[USN-6548-3] Linux kernel (Oracle) vulnerabilities
== Ubuntu Security Notice USN-6548-3 December 13, 2023 linux-oracle vulnerabilities == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-oracle: Linux kernel for Oracle Cloud systems Details: It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. (CVE-2023-3006) It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-37453) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2023-39189) Sunjoo Park discovered that the netfilter subsystem in the Linux kernel did not properly validate u32 packets content, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39192) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate SCTP data, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39193) Lucas Leong discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel did not properly handle state filters, leading to an out- of-bounds read vulnerability. A privileged local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39194) Kyle Zeng discovered that the IPv4 implementation in the Linux kernel did not properly handle socket buffers (skb) when performing IP routing in certain circumstances, leading to a null pointer dereference vulnerability. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-42754) Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly handle queue initialization failures in certain situations, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5178) Budimir Markovic discovered that the perf subsystem in the Linux kernel did not properly handle event groups, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5717) It was discovered that the TLS subsystem in the Linux kernel did not properly perform cryptographic operations in some situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-6176) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1115-oracle 5.4.0-1115.124 linux-image-oracle-lts-20.045.4.0.1115.108 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://ubuntu.com/security/notices/USN-6548-3 https://ubuntu.com/security/notices/USN-6548-1 CVE-2023-3006, CVE-2023-37453, CVE-2023-39189, CVE-2023-39192, CVE-2023-39193, CVE-2023-39194, CVE-2023-42754, CVE-2023-5178, CVE-2023-5717, CVE-2023-6176 Package Information: https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1115.124 OpenPGP_signature.asc Description: OpenPGP digital signature
[USN-6549-3] Linux kernel (Low Latency) vulnerabilities
== Ubuntu Security Notice USN-6549-3 December 13, 2023 linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerabilities == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-lowlatency: Linux low latency kernel - linux-lowlatency-hwe-5.15: Linux low latency kernel Details: It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-37453) Lin Ma discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2023-3773) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2023-39189) Sunjoo Park discovered that the netfilter subsystem in the Linux kernel did not properly validate u32 packets content, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39192) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate SCTP data, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39193) Lucas Leong discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel did not properly handle state filters, leading to an out- of-bounds read vulnerability. A privileged local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39194) It was discovered that a race condition existed in QXL virtual GPU driver 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-2023-39198) Kyle Zeng discovered that the IPv4 implementation in the Linux kernel did not properly handle socket buffers (skb) when performing IP routing in certain circumstances, leading to a null pointer dereference vulnerability. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-42754) Jason Wang discovered that the virtio ring implementation in the Linux kernel did not properly handle iov buffers in some situations. A local attacker in a guest VM could use this to cause a denial of service (host system crash). (CVE-2023-5158) Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly handle queue initialization failures in certain situations, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5178) Budimir Markovic discovered that the perf subsystem in the Linux kernel did not properly handle event groups, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5717) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: linux-image-5.15.0-91-lowlatency 5.15.0-91.101 linux-image-5.15.0-91-lowlatency-64k 5.15.0-91.101 linux-image-lowlatency 5.15.0.91.92 linux-image-lowlatency-64k 5.15.0.91.92 Ubuntu 20.04 LTS: linux-image-5.15.0-91-lowlatency 5.15.0-91.101~20.04.1 linux-image-5.15.0-91-lowlatency-64k 5.15.0-91.101~20.04.1 linux-image-lowlatency-64k-hwe-20.04 5.15.0.91.101~20.04.45 linux-image-lowlatency-hwe-20.04 5.15.0.91.101~20.04.45 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References:
[USN-6534-3] Linux kernel vulnerabilities
== Ubuntu Security Notice USN-6534-3 December 13, 2023 linux-hwe-6.2, linux-lowlatency-hwe-6.2, linux-nvidia-6.2 vulnerabilities == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-hwe-6.2: Linux hardware enablement (HWE) kernel - linux-lowlatency-hwe-6.2: Linux low latency kernel - linux-nvidia-6.2: Linux kernel for NVIDIA systems Details: It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-37453) Lin Ma discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2023-3773) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2023-39189) Sunjoo Park discovered that the netfilter subsystem in the Linux kernel did not properly validate u32 packets content, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39192) Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate SCTP data, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39193) Lucas Leong discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel did not properly handle state filters, leading to an out- of-bounds read vulnerability. A privileged local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-39194) It was discovered that a race condition existed in QXL virtual GPU driver 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-2023-39198) Kyle Zeng discovered that the IPv4 implementation in the Linux kernel did not properly handle socket buffers (skb) when performing IP routing in certain circumstances, leading to a null pointer dereference vulnerability. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-42754) Jason Wang discovered that the virtio ring implementation in the Linux kernel did not properly handle iov buffers in some situations. A local attacker in a guest VM could use this to cause a denial of service (host system crash). (CVE-2023-5158) Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly handle queue initialization failures in certain situations, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5178) Budimir Markovic discovered that the perf subsystem in the Linux kernel did not properly handle event groups, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-5717) It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2023-6039) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: linux-image-6.2.0-1013-nvidia 6.2.0-1013.13+1 linux-image-6.2.0-1013-nvidia-64k 6.2.0-1013.13+1 linux-image-6.2.0-1018-lowlatency 6.2.0-1018.18~22.04.1 linux-image-6.2.0-1018-lowlatency-64k 6.2.0-1018.18~22.04.1 linux-image-6.2.0-39-generic6.2.0-39.40~22.04.1 linux-image-6.2.0-39-generic-64k 6.2.0-39.40~22.04.1 linux-image-6.2.0-39-generic-lpae 6.2.0-39.40~22.04.1 linux-image-generic-64k-hwe-22.04 6.2.0.39.40~22.04.16 linux-image-generic-hwe-22.04 6.2.0.39.40~22.04.16 linux-image-generic-lpae-hwe-22.04 6.2.0.39.40~22.04.16 linux-image-lowlatency-64k-hwe-22.04 6.2.0.1018.18~22.04.15
[USN-6553-1] Pydantic vulnerability
== Ubuntu Security Notice USN-6553-1 December 12, 2023 pydantic vulnerability == A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS (Available with Ubuntu Pro) Summary: Pydantic could be made to crash if it received specially crafted input. Software Description: - pydantic: Data validation using Python type hints. Details: Nina Jensen discovered that Pydantic incorrectly handled user input in the date and datetime fields. An attacker could possibly use this issue to cause a denial of service via application crash. (CVE-2021-29510) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS (Available with Ubuntu Pro): python3-pydantic1.2-1ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6553-1 CVE-2021-29510 OpenPGP_signature.asc Description: OpenPGP digital signature
