{"id":"USN-7725-2","summary":"linux-realtime, linux-raspi-realtime 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  - Overlay file system;\n  - Network traffic control;\n(CVE-2025-21887, CVE-2024-57996, CVE-2025-38350, CVE-2025-37752)\n","modified":"2026-02-10T04:49:48Z","published":"2025-08-28T23:20:30Z","related":["UBUNTU-CVE-2024-57996","UBUNTU-CVE-2025-21887","UBUNTU-CVE-2025-37752","UBUNTU-CVE-2025-38350"],"upstream":["CVE-2024-57996","CVE-2025-21887","CVE-2025-37752","CVE-2025-38350","UBUNTU-CVE-2024-57996","UBUNTU-CVE-2025-21887","UBUNTU-CVE-2025-37752","UBUNTU-CVE-2025-38350"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7725-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-57996"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21887"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-37752"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38350"}],"affected":[{"package":{"name":"linux-raspi-realtime","ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi-realtime@6.8.0-2029.30?arch=source&distro=realtime/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-2029.30"}]}],"versions":["6.7.0-2001.1","6.8.0-2001.1","6.8.0-2002.2","6.8.0-2004.4","6.8.0-2005.5","6.8.0-2006.6","6.8.0-2007.7","6.8.0-2008.8","6.8.0-2009.9","6.8.0-2010.10","6.8.0-2011.11","6.8.0-2012.12","6.8.0-2013.14","6.8.0-2014.15","6.8.0-2015.16","6.8.0-2016.17","6.8.0-2017.18","6.8.0-2018.19","6.8.0-2019.20","6.8.0-2022.23","6.8.0-2023.24","6.8.0-2024.25","6.8.0-2025.26","6.8.0-2026.27","6.8.0-2028.29"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.8.0-2029.30","binary_name":"linux-buildinfo-6.8.0-2029-raspi-realtime"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-headers-6.8.0-2029-raspi-realtime"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-image-6.8.0-2029-raspi-realtime"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-modules-6.8.0-2029-raspi-realtime"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-raspi-realtime-headers-6.8.0-2029"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-raspi-realtime-tools-6.8.0-2029"},{"binary_version":"6.8.0-2029.30","binary_name":"linux-tools-6.8.0-2029-raspi-realtime"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7725-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-57996"},{"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":"Ubuntu","score":"high"}],"id":"CVE-2025-21887"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-37752"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-38350"}]}}},{"package":{"name":"linux-realtime","ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","purl":"pkg:deb/ubuntu/linux-realtime@6.8.1-1031.32?arch=source&distro=realtime/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1031.32"}]}],"versions":["6.8.0-1008.19","6.8.1-1001.1","6.8.1-1002.2","6.8.1-1003.3","6.8.1-1004.4","6.8.1-1005.5","6.8.1-1006.6","6.8.1-1007.7","6.8.1-1008.8","6.8.1-1009.9","6.8.1-1010.10","6.8.1-1011.11","6.8.1-1012.12","6.8.1-1013.14","6.8.1-1014.15","6.8.1-1015.16","6.8.1-1016.17","6.8.1-1017.18","6.8.1-1018.19","6.8.1-1019.20","6.8.1-1020.21","6.8.1-1021.22","6.8.1-1022.23","6.8.1-1023.24","6.8.1-1024.25","6.8.1-1025.26","6.8.1-1026.27","6.8.1-1030.31"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.8.1-1031.32","binary_name":"linux-buildinfo-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-cloud-tools-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-headers-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-image-unsigned-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-modules-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-modules-extra-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-modules-iwlwifi-6.8.1-1031-realtime"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-realtime-cloud-tools-6.8.1-1031"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-realtime-headers-6.8.1-1031"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-realtime-tools-6.8.1-1031"},{"binary_version":"6.8.1-1031.32","binary_name":"linux-tools-6.8.1-1031-realtime"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7725-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-57996"},{"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":"Ubuntu","score":"high"}],"id":"CVE-2025-21887"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-37752"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-38350"}]}}}],"schema_version":"1.7.3"}