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Ubuntu Security Notice USN-6706-1
Ubuntu Security Notice 6706-1 - 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.
==========================================================================Ubuntu Security Notice USN-6706-1March 20, 2024linux-oem-6.1 vulnerability==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 22.04 LTSSummary:The system could be made to crash under certain conditions.Software Description:- linux-oem-6.1: Linux kernel for OEM systemsDetails:It was discovered that the Microchip USB Ethernet driver in the Linuxkernel contained a race condition during device removal, leading to a use-after-free vulnerability. A physically proximate attacker could use this tocause a denial of service (system crash).Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 22.04 LTS: linux-image-6.1.0-1036-oem 6.1.0-1036.36 linux-image-oem-22.04a 6.1.0.1036.37 linux-image-oem-22.04b 6.1.0.1036.37 linux-image-oem-22.04c 6.1.0.1036.37After a standard system update you need to reboot your computer to makeall the necessary changes.ATTENTION: Due to an unavoidable ABI change the kernel updates havebeen given a new version number, which requires you to recompile andreinstall 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 performthis as well.References: https://ubuntu.com/security/notices/USN-6706-1 CVE-2023-6039Package Information: https://launchpad.net/ubuntu/+source/linux-oem-6.1/6.1.0-1036.36Related news
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Ubuntu Security Notice 6626-1 - Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service.
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