{"id":"USN-6454-1","summary":"linux, linux-lowlatency vulnerabilities","details":"Kyle Zeng discovered that the netfilter subsystem in the Linux kernel\ncontained a race condition in IP set operations in certain situations. A\nlocal attacker could use this to cause a denial of service (system crash).\n(CVE-2023-42756)\n\nAlex Birnberg discovered that the netfilter subsystem in the Linux kernel\ndid not properly validate register length, leading to an out-of- bounds\nwrite vulnerability. A local attacker could possibly use this to cause a\ndenial of service (system crash). (CVE-2023-4881)\n\nIt was discovered that the Quick Fair Queueing scheduler implementation in\nthe Linux kernel did not properly handle network packets in certain\nconditions, leading to a use after free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2023-4921)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle removal of rules from chain bindings in certain\ncircumstances, leading to a use-after-free vulnerability. A local attacker\ncould possibly use this to cause a denial of service (system crash) or\nexecute arbitrary code. (CVE-2023-5197)\n\n","modified":"2026-01-30T02:24:10.026086Z","published":"2023-10-26T12:36:49.026131Z","related":["CVE-2023-42756","CVE-2023-4921","CVE-2023-5197","UBUNTU-CVE-2023-42756","UBUNTU-CVE-2023-4881","UBUNTU-CVE-2023-4921","UBUNTU-CVE-2023-5197"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6454-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4921"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5197"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42756"}],"affected":[{"package":{"name":"linux","ecosystem":"Ubuntu:23.10","purl":"pkg:deb/ubuntu/linux@6.5.0-10.10?arch=source&distro=mantic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-10.10"}]}],"versions":["6.2.0-20.20","6.2.0-21.21","6.3.0-7.7","6.5.0-5.5","6.5.0-7.7","6.5.0-9.9"],"ecosystem_specific":{"binaries":[{"binary_version":"6.5.0-10.10","binary_name":"linux-buildinfo-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-buildinfo-6.5.0-10-generic-64k"},{"binary_version":"6.5.0-10.10","binary_name":"linux-cloud-tools-6.5.0-10"},{"binary_version":"6.5.0-10.10","binary_name":"linux-cloud-tools-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-cloud-tools-common"},{"binary_version":"6.5.0-10.10","binary_name":"linux-doc"},{"binary_version":"6.5.0-10.10","binary_name":"linux-headers-6.5.0-10"},{"binary_version":"6.5.0-10.10","binary_name":"linux-headers-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-headers-6.5.0-10-generic-64k"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-6.5.0-10-generic-dbgsym"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-unsigned-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-unsigned-6.5.0-10-generic-64k"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-unsigned-6.5.0-10-generic-64k-dbgsym"},{"binary_version":"6.5.0-10.10","binary_name":"linux-image-unsigned-6.5.0-10-generic-dbgsym"},{"binary_version":"6.5.0-10.10","binary_name":"linux-lib-rust-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-libc-dev"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-6.5.0-10-generic-64k"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-extra-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-ipu6-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-ivsc-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-modules-iwlwifi-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-source-6.5.0"},{"binary_version":"6.5.0-10.10","binary_name":"linux-tools-6.5.0-10"},{"binary_version":"6.5.0-10.10","binary_name":"linux-tools-6.5.0-10-generic"},{"binary_version":"6.5.0-10.10","binary_name":"linux-tools-6.5.0-10-generic-64k"},{"binary_version":"6.5.0-10.10","binary_name":"linux-tools-common"},{"binary_version":"6.5.0-10.10","binary_name":"linux-tools-host"}],"availability":"No 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