{"schema_version":"1.7.5","id":"USN-6107-1","published":"2023-05-18T20:40:02Z","modified":"2026-06-03T14:03:49.990998576Z","related":["UBUNTU-CVE-2023-1829","UBUNTU-CVE-2023-1872"],"upstream":["CVE-2023-1829","CVE-2023-1872","UBUNTU-CVE-2023-1829","UBUNTU-CVE-2023-1872"],"summary":"linux-gcp-5.15 vulnerabilities","details":"It was discovered that the Traffic-Control Index (TCINDEX) implementation\nin the Linux kernel did not properly perform filter deactivation in some\nsituations. A local attacker could possibly use this to gain elevated\nprivileges. Please note that with the fix for this CVE, kernel support for\nthe TCINDEX classifier has been removed. (CVE-2023-1829)\n\nIt was discovered that a race condition existed in the io_uring subsystem\nin the Linux kernel, leading to a use-after-free vulnerability. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2023-1872)\n\n","affected":[{"package":{"name":"linux-gcp-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp-5.15?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1033.41~20.04.1"}]}],"versions":["5.15.0-1006.9~20.04.1","5.15.0-1012.17~20.04.1","5.15.0-1013.18~20.04.1","5.15.0-1016.21~20.04.1","5.15.0-1017.23~20.04.2","5.15.0-1018.24~20.04.1","5.15.0-1021.28~20.04.1","5.15.0-1022.29~20.04.1","5.15.0-1025.32~20.04.2","5.15.0-1026.33~20.04.1","5.15.0-1027.34~20.04.1","5.15.0-1029.36~20.04.1","5.15.0-1030.37~20.04.1","5.15.0-1031.38~20.04.1","5.15.0-1032.40~20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-gcp-5.15-headers-5.15.0-1033","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-gcp-5.15-tools-5.15.0-1033","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-headers-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-image-unsigned-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-modules-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-modules-extra-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-modules-iwlwifi-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"},{"binary_name":"linux-tools-5.15.0-1033-gcp","binary_version":"5.15.0-1033.41~20.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-1829","severity":[{"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":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2023-1872","severity":[{"score":"CVSS:3.1/AV:L/AC:H/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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6107-1.json"}}],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6107-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1829"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1872"}]}