{"id":"CVE-2024-42861","aliases":["AZL-49731","AZL-49740","DEBIAN-CVE-2024-42861","EUVD-2024-39814","GHSA-xgfh-jv6x-46xv","UBUNTU-CVE-2024-42861"],"status":"published","title":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial...","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01557,"percentile":0.75523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2024-09-23T00:00:00Z","modified":"2026-11-05T05:40:51Z","exploits":[{"source":"pocgithub","id":"qiupy123/CVE-2024-42861","title":"qiupy123/CVE-2024-42861","date":"2024-09-21","url":"https://github.com/qiupy123/CVE-2024-42861"}],"fixes":[{"ecosystem":"Azure Linux:2","package":"linuxptp","fixed_in":["3.1.1-1"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"linuxptp","fixed_in":["3.1.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-1"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1-4","4.0-1","4.2-1","4.2-2","4.4-1"]},{"source":"osv","ecosystem":"Debian:13","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-1","4.2-2","4.4-1"]},{"source":"osv","ecosystem":"Debian:14","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-1","4.2-2","4.4-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5-1","1.5-2","1.6-1","1.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8-1","1.8-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-1","1.9.2-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-2.1","3.1.1-2","3.1.1-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0-1","4.0-1ubuntu1","4.0-1ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-1ubuntu1","4.2-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"linuxptp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-1ubuntu2","4.4-0ubuntu1"]}],"products":[{"vendor":"linuxptp_project","product":"linuxptp"}],"references":[{"url":"https://github.com/qiupy123/CVE-2024-42861","tags":["Third Party Advisory","package","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42861","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-xgfh-jv6x-46xv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42861.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-42861","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-42861","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-42861","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2314319","tags":["report"]},{"url":"https://lists.nwtime.org/sympa/arc/linuxptp-users/2024-09/msg00020.html","tags":["report"]},{"url":"https://lists.nwtime.org/sympa/arc/linuxptp-devel/2024-09/msg00080.html","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-42861","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T00:00:00Z","modified":"2025-03-18T15:41:45.235Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:03.00063Z"}],"euvd":[{"id":"EUVD-2024-39814","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T00:00:00Z","modified":"2025-03-18T15:41:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:00.464245Z"}],"ghsa":[{"id":"GHSA-xgfh-jv6x-46xv","title":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial...","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:30:47Z","modified":"2024-09-30T18:32:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:58:23.007379Z"}],"nvd":[{"id":"CVE-2024-42861","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:15:12.87Z","modified":"2026-06-17T07:50:05.55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:10:27.456509Z"}],"osv":[{"id":"AZL-49731","title":"CVE-2024-42861 affecting package linuxptp for versions less than 3.1.1-1","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:15:12Z","modified":"2026-04-21T04:29:59.982943Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:06.032783Z"},{"id":"AZL-49740","title":"CVE-2024-42861 affecting package linuxptp for versions less than 3.1.1-1","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:15:12Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-05T16:41:20.514083Z"},{"id":"CVE-2024-42861","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T00:00:00Z","modified":"2026-10-28T02:30:21.390625324Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:42.322107Z"},{"id":"DEBIAN-CVE-2024-42861","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:15:12.87Z","modified":"2026-11-02T12:03:00.247931297Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:43.156294Z"},{"id":"UBUNTU-CVE-2024-42861","description":"An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function","status":"published","published":"2024-09-23T21:15:00Z","modified":"2026-10-17T12:56:38.987508801Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:58.679387Z"}]}}