{"id":"CVE-2025-29934","aliases":["DEBIAN-CVE-2025-29934","EUVD-2025-198507","GHSA-4grc-qh9q-f57r","UBUNTU-CVE-2025-29934"],"status":"published","title":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest...","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00117,"percentile":0.01648,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-459"],"published":"2025-11-21T18:45:16Z","modified":"2026-11-03T17:28:59Z","fixes":[{"ecosystem":"Debian:14","package":"amd64-microcode","fixed_in":["3.20251202.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"amd64-microcode","fixed_in":["3.20251202.1ubuntu0.24.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"amd64-microcode","fixed_in":["3.20251202.1ubuntu0.25.10.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"amd64-microcode","fixed_in":["3.20251202.1ubuntu1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.20120117-1","1.20120117-1","1.20120117-2","1.20120117-2~bpo60+1","1.20120910-1","1.20120910-1~bpo60+1","1.20120910-2","1.20120910-2~bpo60+1","1.20120910-3","1.20141028.1","1.20160316.1","2.20120910-1","2.20120910-1~bpo70+1","2.20131007.1","2.20131007.1+really20130710.1","2.20141028.1","2.20141028.1~bpo70+1","2.20160316.1","2.20160316.1~bpo70+1","2.20160316.1~deb8u1","3.20160316.1","3.20160316.2","3.20160316.3","3.20171205.1","3.20171205.2","3.20180515.1","3.20180524.1","3.20180524.1~bpo9+1","3.20181128.1","3.20181128.1~bpo9+1","3.20181128.1~deb8u1","3.20181128.1~deb9u1","3.20181128.1~deb9u2","3.20191021.1","3.20191218.1","3.20220411.1","3.20220411.2","3.20230414.1","3.20230719.1","3.20230719.1~deb10u1","3.20230719.1~deb11u1","3.20230719.1~deb12u1","3.20230808.1","3.20230808.1.1","3.20230808.1.1~deb11u1","3.20230808.1.1~deb12u1","3.20230823.1","3.20231019.1","3.20240116.2","3.20240116.2+nmu1","3.20240710.1","3.20240710.2","3.20240710.2~deb11u1","3.20240710.2~deb12u1","3.20240820.1","3.20240820.1~deb11u1","3.20240820.1~deb12u1","3.20250311.1","3.20250311.1~deb11u1","3.20250311.1~deb12u1","3.20251202.1","3.20260923.1"]},{"source":"osv","ecosystem":"Debian:13","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.20120117-1","1.20120117-1","1.20120117-2","1.20120117-2~bpo60+1","1.20120910-1","1.20120910-1~bpo60+1","1.20120910-2","1.20120910-2~bpo60+1","1.20120910-3","1.20141028.1","1.20160316.1","2.20120910-1","2.20120910-1~bpo70+1","2.20131007.1","2.20131007.1+really20130710.1","2.20141028.1","2.20141028.1~bpo70+1","2.20160316.1","2.20160316.1~bpo70+1","2.20160316.1~deb8u1","3.20160316.1","3.20160316.2","3.20160316.3","3.20171205.1","3.20171205.2","3.20180515.1","3.20180524.1","3.20180524.1~bpo9+1","3.20181128.1","3.20181128.1~bpo9+1","3.20181128.1~deb8u1","3.20181128.1~deb9u1","3.20181128.1~deb9u2","3.20191021.1","3.20191218.1","3.20220411.1","3.20220411.2","3.20230414.1","3.20230719.1","3.20230719.1~deb10u1","3.20230719.1~deb11u1","3.20230719.1~deb12u1","3.20230808.1","3.20230808.1.1","3.20230808.1.1~deb11u1","3.20230808.1.1~deb12u1","3.20230823.1","3.20231019.1","3.20240116.2","3.20240116.2+nmu1","3.20240710.1","3.20240710.2","3.20240710.2~deb11u1","3.20240710.2~deb12u1","3.20240820.1","3.20240820.1~deb11u1","3.20240820.1~deb12u1","3.20250311.1","3.20250311.1~deb11u1","3.20250311.1~deb12u1","3.20251202.1","3.20260923.1"]},{"source":"osv","ecosystem":"Debian:14","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20251202.1"}]}],"versions":["0.20120117-1","1.20120117-1","1.20120117-2","1.20120117-2~bpo60+1","1.20120910-1","1.20120910-1~bpo60+1","1.20120910-2","1.20120910-2~bpo60+1","1.20120910-3","1.20141028.1","1.20160316.1","2.20120910-1","2.20120910-1~bpo70+1","2.20131007.1","2.20131007.1+really20130710.1","2.20141028.1","2.20141028.1~bpo70+1","2.20160316.1","2.20160316.1~bpo70+1","2.20160316.1~deb8u1","3.20160316.1","3.20160316.2","3.20160316.3","3.20171205.1","3.20171205.2","3.20180515.1","3.20180524.1","3.20180524.1~bpo9+1","3.20181128.1","3.20181128.1~bpo9+1","3.20181128.1~deb8u1","3.20181128.1~deb9u1","3.20181128.1~deb9u2","3.20191021.1","3.20191218.1","3.20220411.1","3.20220411.2","3.20230414.1","3.20230719.1","3.20230719.1~deb10u1","3.20230719.1~deb11u1","3.20230719.1~deb12u1","3.20230808.1","3.20230808.1.1","3.20230808.1.1~deb11u1","3.20230808.1.1~deb12u1","3.20230823.1","3.20231019.1","3.20240116.2","3.20240116.2+nmu1","3.20240710.1","3.20240710.2","3.20240710.2~deb11u1","3.20240710.2~deb12u1","3.20240820.1","3.20240820.1~deb11u1","3.20240820.1~deb12u1","3.20250311.1","3.20250311.1~deb11u1","3.20250311.1~deb12u1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.20120910-3","2.20131007.1+really20130710.1","3.20180524.1~ubuntu0.14.04.1","3.20180524.1~ubuntu0.14.04.2+really20130710.1","3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.20141028.1","2.20160316.1","3.20180524.1~ubuntu0.16.04.1","3.20180524.1~ubuntu0.16.04.2","3.20191021.1ubuntu0.16.04.1","3.20191021.1+really3.20180524.1~ubuntu0.16.04.2","3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1","3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm2","3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20160316.3","3.20171205.1","3.20180524.1~ubuntu0.18.04.1","3.20180524.1~ubuntu0.18.04.2","3.20191021.1ubuntu0.18.04.2","3.20191021.1+really3.20181128.1~ubuntu0.18.04.1","3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1","3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2","3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20181128.1ubuntu2","3.20191021.1ubuntu1","3.20191218.1ubuntu1","3.20191218.1ubuntu1.1","3.20191218.1ubuntu1.2","3.20191218.1ubuntu1.3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20191218.1ubuntu2","3.20191218.1ubuntu2.1","3.20191218.1ubuntu2.2","3.20191218.1ubuntu2.3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20251202.1ubuntu0.24.04.1"}]}],"versions":["3.20230808.1.1ubuntu1","3.20231019.1ubuntu1","3.20231019.1ubuntu2","3.20231019.1ubuntu2.1","3.20250311.1ubuntu0.24.04.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20251202.1ubuntu0.25.10.1"}]}],"versions":["3.20240820.1ubuntu1","3.20250311.1ubuntu1","3.20250708.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"amd64-microcode","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20251202.1ubuntu1"}]}],"versions":["3.20250708.1ubuntu1","3.20250708.1ubuntu2"]}],"products":[{"vendor":"amd","product":"amd epyc™ 8004 series processors"},{"vendor":"amd","product":"amd epyc™ 9004 series processors"},{"vendor":"amd","product":"amd epyc™ 9005 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 7003 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 8004 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors (formerly codenamed \"bergamo\")"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors (formerly codenamed \"genoa\")"},{"vendor":"amd","product":"amd epyc™ embedded 9005 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3029.html","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29934"},{"url":"https://github.com/advisories/GHSA-4grc-qh9q-f57r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-29934","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-29934","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-29934","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-29934","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T18:45:16.849Z","modified":"2025-11-23T17:30:46.143Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-459"],"updated_at":"2026-11-02T14:32:45.797843Z"}],"euvd":[{"id":"EUVD-2025-198507","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T18:45:16Z","modified":"2025-11-23T17:30:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:13.665045Z"}],"ghsa":[{"id":"GHSA-4grc-qh9q-f57r","title":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest...","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T21:30:17Z","modified":"2025-11-21T21:30:21Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-459"],"updated_at":"2026-11-02T15:04:55.324477Z"}],"nvd":[{"id":"CVE-2025-29934","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T19:15:47.847Z","modified":"2026-06-17T09:05:55.517Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-459"],"updated_at":"2026-11-02T14:11:46.009629Z"}],"osv":[{"id":"DEBIAN-CVE-2025-29934","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T19:15:47.847Z","modified":"2026-11-03T17:28:59.704705824Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T18:00:11.308756Z"},{"id":"UBUNTU-CVE-2025-29934","description":"A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.","status":"published","published":"2025-11-21T19:15:00Z","modified":"2026-06-25T23:45:12.543913659Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:26.330196Z"}]}}