{"id":"USN-6261-1","summary":"linux-iot vulnerabilities","details":"It was discovered that the IP-VLAN network driver for the Linux kernel did\nnot properly initialize memory in some situations, leading to an out-of-\nbounds write vulnerability. An attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. (CVE-2023-3090)\n\nShir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in\nthe Ubuntu Linux kernel did not properly perform permission checks in\ncertain situations. A local attacker could possibly use this to gain\nelevated privileges. (CVE-2023-32629)\n\nIt was discovered that the netfilter subsystem in the Linux kernel did not\nproperly handle some error conditions, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-3390)\n\nTanguy Dubroca discovered that the netfilter subsystem in the Linux kernel\ndid not properly handle certain pointer data type, leading to an out-of-\nbounds write vulnerability. A privileged attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2023-35001)\n\n","modified":"2026-02-10T04:43:14Z","published":"2023-07-28T13:46:00Z","related":["UBUNTU-CVE-2023-3090","UBUNTU-CVE-2023-32629","UBUNTU-CVE-2023-3390","UBUNTU-CVE-2023-35001"],"upstream":["CVE-2023-3090","CVE-2023-32629","CVE-2023-3390","CVE-2023-35001","UBUNTU-CVE-2023-3090","UBUNTU-CVE-2023-32629","UBUNTU-CVE-2023-3390","UBUNTU-CVE-2023-35001"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6261-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3090"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3390"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-32629"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-35001"}],"affected":[{"package":{"name":"linux-iot","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-iot@5.4.0-1018.19?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1018.19"}]}],"versions":["5.4.0-1001.3","5.4.0-1004.6","5.4.0-1005.7","5.4.0-1006.8","5.4.0-1009.11","5.4.0-1010.12","5.4.0-1011.13","5.4.0-1012.14","5.4.0-1013.15","5.4.0-1014.16","5.4.0-1017.18"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-headers-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-image-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-image-unsigned-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-iot-headers-5.4.0-1018","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-iot-tools-5.4.0-1018","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-iot-tools-common","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-modules-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"},{"binary_name":"linux-tools-5.4.0-1018-iot","binary_version":"5.4.0-1018.19"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6261-1.json","cves_map":{"cves":[{"id":"CVE-2023-3090","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-2023-3390","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-2023-32629","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-2023-35001","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"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}