{"id":"CVE-2026-58829","aliases":["A-498749316","ASB-A-498749316","EUVD-2026-115587","GHSA-x8j3-cc6h-2xqx"],"status":"published","title":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free....","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. 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":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.0011,"percentile":0.01268,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-09T14:11:42Z","fixes":[{"ecosystem":"Android","package":":linux_kernel:","fixed_in":[":2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":linux_kernel:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2026-11-05"}]}],"versions":["Kernel"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://android.googlesource.com/kernel/common/+/984713cde654f06871c542c469e3c226c8a79d9b","tags":["Patch","fix"]},{"url":"https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae","tags":["Patch","fix"]},{"url":"https://source.android.com/docs/security/bulletin/2026/2026-11-01","tags":["Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58829"},{"url":"https://github.com/advisories/GHSA-x8j3-cc6h-2xqx"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-58829","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:44.559Z","modified":"2026-11-03T04:56:37.964Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-03T06:40:44.279652Z"}],"euvd":[{"id":"EUVD-2026-115587","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T19:53:44Z","modified":"2026-11-03T04:56:37Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T06:45:42.278982Z"}],"ghsa":[{"id":"GHSA-x8j3-cc6h-2xqx","title":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free....","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T21:32:01Z","modified":"2026-11-02T21:32:02Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-03T00:02:47.574481Z"}],"nvd":[{"id":"CVE-2026-58829","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-02T20:17:47.94Z","modified":"2026-11-09T14:11:42.863Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-09T16:14:54.431469Z"}],"osv":[{"id":"ASB-A-498749316","description":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:17.023074Z"}]}}