{"id":"USN-7931-2","summary":"linux-fips, linux-aws-fips, linux-gcp-fips vulnerabilities","details":"Several security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - Cryptographic API;\n  - Media drivers;\n  - Memory management;\n  - Appletalk network protocol;\n  - Netfilter;\n(CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993,\nCVE-2025-40018)\n","modified":"2026-06-03T13:35:29.053837271Z","published":"2025-12-15T14:31:25Z","related":["UBUNTU-CVE-2025-37958","UBUNTU-CVE-2025-38666","UBUNTU-CVE-2025-39964","UBUNTU-CVE-2025-39993","UBUNTU-CVE-2025-40018"],"upstream":["UBUNTU-CVE-2025-37958","UBUNTU-CVE-2025-38666","UBUNTU-CVE-2025-39964","UBUNTU-CVE-2025-39993","UBUNTU-CVE-2025-40018"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7931-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-37958"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38666"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-39964"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-39993"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40018"}],"affected":[{"package":{"name":"linux-aws-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-fips?arch=source&distro=fips-updates%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1044.46+fips1"}]}],"versions":["6.8.0-1035.37+fips1","6.8.0-1036.38+fips1","6.8.0-1038.40+fips1","6.8.0-1039.41+fips1","6.8.0-1040.42+fips1","6.8.0-1041.43+fips1","6.8.0-1042.44+fips1","6.8.0-1043.45+fips1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-aws-fips-cloud-tools-6.8.0-1044"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-aws-fips-headers-6.8.0-1044"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-aws-fips-tools-6.8.0-1044"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-buildinfo-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-cloud-tools-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-headers-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-image-unsigned-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-image-unsigned-hmac-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-modules-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-modules-extra-6.8.0-1044-aws-fips"},{"binary_version":"6.8.0-1044.46+fips1","binary_name":"linux-tools-6.8.0-1044-aws-fips"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-37958","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-38666","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":"high","type":"Ubuntu"}]},{"id":"CVE-2025-39964","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-39993","severity":[{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-40018","severity":[{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7931-2.json"}},{"package":{"name":"linux-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS","purl":"pkg:deb/ubuntu/linux-fips?arch=source&distro=fips-updates%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-90.91+fips1"}]}],"versions":["6.8.0-38.38+fips4","6.8.0-78.78+fips1","6.8.0-79.79+fips1","6.8.0-83.83+fips1","6.8.0-84.84+fips1","6.8.0-85.85+fips1","6.8.0-86.87+fips1","6.8.0-87.88+fips1","6.8.0-88.89+fips1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-buildinfo-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-cloud-tools-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-fips-cloud-tools-6.8.0-90"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-fips-headers-6.8.0-90"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-fips-lib-rust-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-fips-tools-6.8.0-90"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-headers-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-image-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-image-hmac-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-image-unsigned-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-image-unsigned-hmac-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-modules-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-modules-extra-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-modules-ipu6-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-modules-iwlwifi-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-modules-usbio-6.8.0-90-fips"},{"binary_version":"6.8.0-90.91+fips1","binary_name":"linux-tools-6.8.0-90-fips"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-37958","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-38666","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":"high","type":"Ubuntu"}]},{"id":"CVE-2025-39964","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-39993","severity":[{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-40018","severity":[{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7931-2.json"}},{"package":{"name":"linux-gcp-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp-fips?arch=source&distro=fips-updates%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1045.48+fips1"}]}],"versions":["6.8.0-1036.38+fips1","6.8.0-1037.39+fips1","6.8.0-1039.41+fips1","6.8.0-1040.42+fips1","6.8.0-1041.43+fips1","6.8.0-1042.45+fips1","6.8.0-1043.46+fips1","6.8.0-1044.47+fips1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-buildinfo-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-gcp-fips-headers-6.8.0-1045"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-gcp-fips-tools-6.8.0-1045"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-headers-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-image-unsigned-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-image-unsigned-hmac-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-modules-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-modules-extra-6.8.0-1045-gcp-fips"},{"binary_version":"6.8.0-1045.48+fips1","binary_name":"linux-tools-6.8.0-1045-gcp-fips"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-37958","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-38666","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":"high","type":"Ubuntu"}]},{"id":"CVE-2025-39964","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-39993","severity":[{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2025-40018","severity":[{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7931-2.json"}}],"schema_version":"1.7.5"}