{"id":"CVE-2026-73860","aliases":["AZL-112829","DEBIAN-CVE-2026-73860","EUVD-2026-118481","GHSA-fvqj-jvxf-x3wp","UBUNTU-CVE-2026-73860"],"status":"rejected","title":"CVE-2026-73860 affecting package criu 4.1.1-1","description":"** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-18107. Reason: This candidate is a duplicate of CVE-2026-18107. Notes: All CVE users should reference CVE-2026-18107 instead of this candidate.","severity":{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","from":"euvd"},"epss":{"day":"2026-11-09","score":0.0013,"percentile":0.02629,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-705"],"published":"2026-11-06T20:01:54Z","modified":"2026-11-10T02:51:22Z","fixes":[{"ecosystem":"Debian:14","package":"criu","fixed_in":["4.2-5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.1-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.17.1-2","3.17.1-2+deb12u1","3.17.1-2+deb12u2","3.17.1-3","3.19-1","3.19-2","3.19-3","3.19-4","3.19-5","3.19-6","3.19-7","4.0-1","4.0-1~exp1","4.0-2","4.0-3","4.0-4","4.1-1","4.1-1~exp1","4.1.1-1","4.1.1-2","4.1.1-2~exp1","4.1.1-3","4.2-1","4.2-2","4.2-3","4.2-4","4.2-5","4.2-6","4.2.1-1","4.3-1~exp1","4.3-1~exp2"]},{"source":"osv","ecosystem":"Debian:13","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.1-1","4.1.1-2","4.1.1-2~exp1","4.1.1-3","4.2-1","4.2-2","4.2-3","4.2-4","4.2-5","4.2-6","4.2.1-1","4.3-1~exp1","4.3-1~exp2"]},{"source":"osv","ecosystem":"Debian:14","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2-5"}]}],"versions":["4.1.1-1","4.1.1-2","4.1.1-2~exp1","4.1.1-3","4.2-1","4.2-2","4.2-3","4.2-4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7-2","1.7-3","1.7.2-1","1.7.2-2","1.8-2","2.0-2ubuntu1","2.0-2ubuntu2","2.0-2ubuntu3","2.6-1ubuntu1~ubuntu16.04.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4-3","3.5-2","3.6-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.14-1","3.16.1-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"criu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.1-1build1","4.2-1ubuntu1","4.2-1ubuntu2"]}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73860","tags":["web","advisory"]},{"url":"https://github.com/checkpoint-restore/criu/releases/tag/v4.2.1","tags":["web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73860.json","tags":["advisory"]},{"url":"https://github.com/checkpoint-restore/criu/security/advisories/GHSA-fvqj-jvxf-x3wp","tags":["advisory","report"]},{"url":"https://github.com/checkpoint-restore/criu/commit/c34355a7c31494a8be65b32b4410a7539f6c2442","tags":["fix","report"]},{"url":"https://github.com/checkpoint-restore/criu/commit/f7dafedda5075fd6509bda67fbce1622e0c87a27","tags":["fix","report"]},{"url":"https://github.com/checkpoint-restore/criu/pull/3098","tags":["fix","report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-73860","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73860","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73860","tags":["report"]},{"url":"https://github.com/checkpoint-restore/criu/pull/3097","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-73860","description":"** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-18107. Reason: This candidate is a duplicate of CVE-2026-18107. Notes: All CVE users should reference CVE-2026-18107 instead of this candidate.","status":"rejected","published":"2026-11-06T20:01:54.097Z","modified":"2026-11-09T14:00:11.404Z","updated_at":"2026-11-09T15:33:44.265689Z"}],"euvd":[{"id":"EUVD-2026-118481","description":"** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-18107. Reason: This candidate is a duplicate of CVE-2026-18107. Notes: All CVE users should reference CVE-2026-18107 instead of this candidate.","status":"published","published":"2026-11-06T20:01:54Z","modified":"2026-11-09T14:00:11Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-09T15:17:14.169746Z"}],"nvd":[{"id":"CVE-2026-73860","description":"Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-18107. Reason: This candidate is a duplicate of CVE-2026-18107. Notes: All CVE users should reference CVE-2026-18107 instead of this candidate.","status":"rejected","published":"2026-11-06T20:17:25.703Z","modified":"2026-11-09T14:17:22.633Z","updated_at":"2026-11-09T16:14:55.273195Z"}],"osv":[{"id":"CVE-2026-73860","title":"CRIU: Parasite hijack triggered by snapshot of malicious software","description":"CRIU is a checkpoint and restore tool for Linux. Prior to 4.2.1, CRIU injects a syscall;int3 sequence at the start of the first executable virtual memory area and resumes the target process to execute parasite code. Malicious code in the target process can keep an rseq critical section armed over that injection point so the kernel's restartable-sequence abort redirects execution to an attacker-controlled callback when CRIU resumes the process. In container snapshot environments, the hijacked parasite runs with seccomp disabled and a relaxed AppArmor profile and supplies trusted data to the privileged CRIU process, which can enable higher-privilege code execution. This issue is fixed in version 4.2.1.","status":"published","published":"2026-11-06T20:01:54.097Z","modified":"2026-11-08T07:11:30.884104769Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-705"],"updated_at":"2026-11-08T03:29:52.421856Z"},{"id":"DEBIAN-CVE-2026-73860","description":"CRIU is a checkpoint and restore tool for Linux. Prior to 4.2.1, CRIU injects a syscall;int3 sequence at the start of the first executable virtual memory area and resumes the target process to execute parasite code. Malicious code in the target process can keep an rseq critical section armed over that injection point so the kernel's restartable-sequence abort redirects execution to an attacker-controlled callback when CRIU resumes the process. In container snapshot environments, the hijacked parasite runs with seccomp disabled and a relaxed AppArmor profile and supplies trusted data to the privileged CRIU process, which can enable higher-privilege code execution. This issue is fixed in version 4.2.1.","status":"published","published":"2026-11-06T20:17:25.703Z","modified":"2026-11-07T11:00:10.020081308Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-07T11:15:14.449016Z"},{"id":"UBUNTU-CVE-2026-73860","description":"CRIU is a checkpoint and restore tool for Linux. Prior to 4.2.1, CRIU injects a syscall;int3 sequence at the start of the first executable virtual memory area and resumes the target process to execute parasite code. Malicious code in the target process can keep an rseq critical section armed over that injection point so the kernel's restartable-sequence abort redirects execution to an attacker-controlled callback when CRIU resumes the process. In container snapshot environments, the hijacked parasite runs with seccomp disabled and a relaxed AppArmor profile and supplies trusted data to the privileged CRIU process, which can enable higher-privilege code execution. This issue is fixed in version 4.2.1.","status":"published","published":"2026-11-09T00:00:00Z","modified":"2026-11-10T02:51:22.671806903Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-10T03:20:15.775051Z"},{"id":"AZL-112829","title":"CVE-2026-73860 affecting package criu 4.1.1-1","description":"CRIU is a checkpoint and restore tool for Linux. Prior to 4.2.1, CRIU injects a syscall;int3 sequence at the start of the first executable virtual memory area and resumes the target process to execute parasite code. Malicious code in the target process can keep an rseq critical section armed over that injection point so the kernel's restartable-sequence abort redirects execution to an attacker-controlled callback when CRIU resumes the process. In container snapshot environments, the hijacked parasite runs with seccomp disabled and a relaxed AppArmor profile and supplies trusted data to the privileged CRIU process, which can enable higher-privilege code execution. This issue is fixed in version 4.2.1.","status":"published","published":"2026-11-06T20:17:25Z","modified":"2026-11-07T14:18:06.588353858Z","updated_at":"2026-11-07T14:48:11.583685Z"}]}}