{"id":"USN-6318-1","summary":"linux, linux-aws, linux-aws-6.2, linux-azure, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi vulnerabilities","details":"Daniel Moghimi discovered that some Intel(R) Processors did not properly\nclear microarchitectural state after speculative execution of various\ninstructions. A local unprivileged user could use this to obtain to\nsensitive information. (CVE-2022-40982)\n\nTavis Ormandy discovered that some AMD processors did not properly handle\nspeculative execution of certain vector register instructions. A local\nattacker could use this to expose sensitive information. (CVE-2023-20593)\n\nIt was discovered that the universal 32bit network packet classifier\nimplementation in the Linux kernel did not properly perform reference\ncounting in some situations, leading to a use-after-free vulnerability. A\nlocal attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2023-3609)\n\nIt was discovered that the netfilter subsystem in the Linux kernel did not\nproperly handle certain 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-2023-3610)\n\nIt was discovered that the Quick Fair Queueing network scheduler\nimplementation in the Linux kernel contained an out-of-bounds write\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-3611)\n\nIt was discovered that the network packet classifier with\nnetfilter/firewall marks implementation in the Linux kernel did not\nproperly handle reference counting, 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-2023-3776)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle table rules flush in certain circumstances. A local\nattacker could possibly use this to cause a denial of service (system\ncrash) or execute arbitrary code. (CVE-2023-3777)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle rule additions to bound chains in certain\ncircumstances. A local attacker could possibly use this to cause a denial\nof service (system crash) or execute arbitrary code. (CVE-2023-3995)\n\nIt was discovered that the netfilter subsystem in the Linux kernel did not\nproperly handle PIPAPO element removal, leading to a use-after-free\nvulnerability. A local attacker could possibly use this to cause a denial\nof service (system crash) or execute arbitrary code. (CVE-2023-4004)\n\nKevin Rich discovered that the netfilter subsystem in the Linux kernel did\nnot properly handle bound chain deactivation in certain circumstances. A\nlocal attacker could possibly use this to cause a denial of service (system\ncrash) or execute arbitrary code. (CVE-2023-4015)\n\n","modified":"2026-02-10T04:43:17Z","published":"2023-08-29T21:35:56Z","related":["UBUNTU-CVE-2022-40982","UBUNTU-CVE-2023-20593","UBUNTU-CVE-2023-3609","UBUNTU-CVE-2023-3610","UBUNTU-CVE-2023-3611","UBUNTU-CVE-2023-3776","UBUNTU-CVE-2023-3777","UBUNTU-CVE-2023-3995","UBUNTU-CVE-2023-4004","UBUNTU-CVE-2023-4015"],"upstream":["CVE-2022-40982","CVE-2023-20593","CVE-2023-3609","CVE-2023-3610","CVE-2023-3611","CVE-2023-3776","CVE-2023-3777","CVE-2023-3995","CVE-2023-4004","CVE-2023-4015","UBUNTU-CVE-2022-40982","UBUNTU-CVE-2023-20593","UBUNTU-CVE-2023-3609","UBUNTU-CVE-2023-3610","UBUNTU-CVE-2023-3611","UBUNTU-CVE-2023-3776","UBUNTU-CVE-2023-3777","UBUNTU-CVE-2023-3995","UBUNTU-CVE-2023-4004","UBUNTU-CVE-2023-4015"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6318-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40982"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3609"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3610"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3611"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3776"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3777"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3995"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4004"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4015"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-20593"}],"affected":[{"package":{"name":"linux-aws-6.2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-6.2@6.2.0-1010.10~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-1010.10~22.04.1"}]}],"versions":["6.2.0-1005.5~22.04.1","6.2.0-1006.6~22.04.1","6.2.0-1007.7~22.04.1","6.2.0-1008.8~22.04.1","6.2.0-1009.9~22.04.3"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-aws-6.2-cloud-tools-6.2.0-1010","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-aws-6.2-headers-6.2.0-1010","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-aws-6.2-tools-6.2.0-1010","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-buildinfo-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-cloud-tools-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-headers-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-image-unsigned-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-modules-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-modules-extra-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"},{"binary_name":"linux-tools-6.2.0-1010-aws","binary_version":"6.2.0-1010.10~22.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6318-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-40982"},{"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-2023-3609"},{"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-2023-3610"},{"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-2023-3611"},{"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-2023-3776"},{"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-2023-3777"},{"severity":[{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-3995"},{"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-2023-4004"},{"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-2023-4015"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-20593"}]}}},{"package":{"name":"linux-hwe-6.2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe-6.2@6.2.0-31.31~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-31.31~22.04.1"}]}],"versions":["6.2.0-25.25~22.04.2","6.2.0-26.26~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-buildinfo-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-buildinfo-6.2.0-31-generic-64k","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-buildinfo-6.2.0-31-generic-lpae","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-cloud-tools-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-headers-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-headers-6.2.0-31-generic-64k","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-headers-6.2.0-31-generic-lpae","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-cloud-tools-6.2.0-31","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-cloud-tools-common","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-headers-6.2.0-31","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-tools-6.2.0-31","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-tools-common","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-hwe-6.2-tools-host","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-image-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-image-6.2.0-31-generic-lpae","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-image-unsigned-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-image-unsigned-6.2.0-31-generic-64k","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-6.2.0-31-generic-64k","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-6.2.0-31-generic-lpae","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-extra-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-ipu6-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-ivsc-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-modules-iwlwifi-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-source-6.2.0","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-tools-6.2.0-31-generic","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-tools-6.2.0-31-generic-64k","binary_version":"6.2.0-31.31~22.04.1"},{"binary_name":"linux-tools-6.2.0-31-generic-lpae","binary_version":"6.2.0-31.31~22.04.1"}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