{"id":"UBUNTU-CVE-2020-35910","details":"An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedMutexGuard unsoundness.","modified":"2026-05-20T16:04:29.696432360Z","published":"2020-12-31T09:15:00Z","upstream":["CVE-2020-35910"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35910"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2020-0070.html"},{"type":"REPORT","url":"https://github.com/Amanieu/parking_lot/pull/262"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35910"}],"affected":[{"package":{"name":"rust-lock-api","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rust-lock-api?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.5-1","0.3.1-1","0.3.2-1","0.3.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-lock-api+owning-ref-dev","binary_version":"0.3.3-1"},{"binary_name":"librust-lock-api+serde-dev","binary_version":"0.3.3-1"},{"binary_name":"librust-lock-api-dev","binary_version":"0.3.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35910.json"}},{"package":{"name":"rust-lock-api","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/rust-lock-api?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.4-1","0.4.5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-lock-api+owning-ref-dev","binary_version":"0.4.5-1"},{"binary_name":"librust-lock-api+serde-dev","binary_version":"0.4.5-1"},{"binary_name":"librust-lock-api-dev","binary_version":"0.4.5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35910.json"}},{"package":{"name":"rust-lock-api","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/rust-lock-api?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.9-1","0.4.11-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-lock-api-dev","binary_version":"0.4.11-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35910.json"}},{"package":{"name":"rust-lock-api","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/rust-lock-api?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.12-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-lock-api-dev","binary_version":"0.4.12-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35910.json"}},{"package":{"name":"rust-lock-api","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/rust-lock-api?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.12-1","0.4.13-1","0.4.14-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-lock-api-dev","binary_version":"0.4.14-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35910.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}