{"id":"USN-6479-1","summary":"linux-oem-6.5 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":"2026-02-10T04:43:25Z","published":"2023-11-14T22:15:29Z","related":["UBUNTU-CVE-2023-42756","UBUNTU-CVE-2023-4881","UBUNTU-CVE-2023-4921","UBUNTU-CVE-2023-5197"],"upstream":["CVE-2023-42756","CVE-2023-4881","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-6479-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4881"},{"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-oem-6.5","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-6.5@6.5.0-1007.7?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-1007.7"}]}],"versions":["6.5.0-1003.3","6.5.0-1004.4","6.5.0-1006.6"],"ecosystem_specific":{"binaries":[{"binary_version":"6.5.0-1007.7","binary_name":"linux-buildinfo-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-headers-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-image-unsigned-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-modules-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-modules-ipu6-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-modules-ivsc-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-modules-iwlwifi-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-oem-6.5-headers-6.5.0-1007"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-oem-6.5-lib-rust-6.5.0-1007-oem"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-oem-6.5-tools-6.5.0-1007"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-oem-6.5-tools-host"},{"binary_version":"6.5.0-1007.7","binary_name":"linux-tools-6.5.0-1007-oem"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-4881","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2023-4921","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2023-5197","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2023-42756","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6479-1.json"}}],"schema_version":"1.7.3"}