{"id":"CVE-2026-56923","aliases":["A-511810441","EUVD-2026-78966","GHSA-4m8w-p4p5-8mhw","PUB-A-511810441"],"status":"published","title":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race...","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0007,"percentile":0.00033,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2026-09-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Pixel-family specific:2026-09-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2026-09-05"}]}],"versions":["Pixel-family specific"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56923"},{"url":"https://github.com/advisories/GHSA-4m8w-p4p5-8mhw"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56923","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-09-15T18:34:00.842Z","modified":"2026-09-16T03:57:37.052Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-78966","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-09-15T18:34:00Z","modified":"2026-09-16T03:57:37Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T17:28:16.649841Z"}],"ghsa":[{"id":"GHSA-4m8w-p4p5-8mhw","title":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race...","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-09-15T21:31:17Z","modified":"2026-09-15T21:31:24Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:11:55.405915Z"}],"nvd":[{"id":"CVE-2026-56923","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-09-15T19:17:28.06Z","modified":"2026-09-21T17:18:15.987Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:12:47.668237Z"}],"osv":[{"id":"PUB-A-511810441","description":"In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:56.917158Z"}]}}