{"cve":{"cve_id":"CVE-2022-0492","is_kev":true,"kev_date_added":"2026-06-02","kev_vendor_project":"Linux","kev_product":"Kernel","kev_vulnerability_name":"Linux Kernel Improper Authentication Vulnerability","kev_short_description":"Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.","kev_required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2026-06-05","kev_known_ransomware":false,"kev_notes":"This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af ; https://www.kernel.org/ ; https://nvd.nist.gov/vuln/detail/CVE-2022-0492","kev_cwes":["CWE-287","CWE-862"],"epss_score":0.05528,"epss_percentile":0.91791,"epss_as_of":"2026-06-23","description":"A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.","published_at":"2022-03-03T00:00:00Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-287"],"nvd_references":["https://bugzilla.redhat.com/show_bug.cgi?id=2051505","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af","https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html","https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","https://www.debian.org/security/2022/dsa-5095","https://www.debian.org/security/2022/dsa-5096","http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html","https://security.netapp.com/advisory/ntap-20220419-0002/","http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html","http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-28T23:16:41.747223Z"},"effective_severity":"HIGH","badges":["kev"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[],"exploit_refs":[],"news":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2051505","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af","source_type":"MISC","tags":["patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2022/dsa-5095","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.debian.org/security/2022/dsa-5096","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html","source_type":"EXPLOIT","tags":["exploit","patch"]},{"url":"https://security.netapp.com/advisory/ntap-20220419-0002/","source_type":"MISC","tags":[]},{"url":"http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html","source_type":"EXPLOIT","tags":["exploit","patch"]},{"url":"http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2022-03-03T00:00:00Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2026-06-02T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"ssvc_changed","at":"2026-06-24T00:31:53.340304Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:53.340304Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:53.340304Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:53.340304Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:53.340304Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:53.340304Z","label":"CVSS score revised","source":"vulnrichment"}]}