{"id":"CVE-2026-55297","aliases":["A-511812424","EUVD-2026-122701","GHSA-p2wg-3qxc-23pp","PUB-A-511812424"],"status":"published","title":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access...","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System 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":"2026-11-12","score":0.00078,"percentile":0.00124,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-11T00:53:27Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Pixel-family specific:2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2026-11-05"}]}],"versions":["Pixel-family specific"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55297"},{"url":"https://github.com/advisories/GHSA-p2wg-3qxc-23pp"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-55297","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T19:20:16.527Z","modified":"2026-11-11T04:58:06.989Z","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":"2026-11-11T01:51:22.146863Z"}],"euvd":[{"id":"EUVD-2026-122701","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T19:20:16Z","modified":"2026-11-11T04:58:06Z","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":"2026-11-11T02:26:11.92131Z"}],"ghsa":[{"id":"GHSA-p2wg-3qxc-23pp","title":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access...","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T21:34:31Z","modified":"2026-11-11T03:35:28Z","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":"2026-11-11T04:01:27.974473Z"}],"nvd":[{"id":"CVE-2026-55297","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T20:19:12.697Z","modified":"2026-11-11T05:19:46.297Z","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":"2026-11-11T07:23:51.574999Z"}],"osv":[{"id":"PUB-A-511812424","description":"In handle_chan_msg of tipc_virtio_dev.c, there is a possible way to bypass memory tag access controls via concurrent shared memory modification due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-09T17:05:56.917158Z"}]}}