{"id":"CVE-2022-40758","aliases":["EUVD-2022-44025","GHSA-7wv6-549c-gjqh"],"status":"published","title":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in...","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0103,"percentile":0.6394,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2022-09-16T21:36:46Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"samsung","product":"mtower"}],"references":[{"url":"https://github.com/Samsung/mTower/issues/81","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","report"]},{"url":"https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1224","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-40758","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7wv6-549c-gjqh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/40xxx/CVE-2022-40758.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-40758","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","status":"published","published":"2022-09-16T21:36:46Z","modified":"2024-08-03T12:28:42.548Z","updated_at":"2026-11-02T14:34:30.842561Z"}],"euvd":[{"id":"EUVD-2022-44025","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","status":"published","published":"2022-09-16T21:36:46Z","modified":"2024-08-03T12:28:42Z","updated_at":"2026-11-03T03:25:20.207751Z"}],"ghsa":[{"id":"GHSA-7wv6-549c-gjqh","title":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in...","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","status":"published","published":"2022-09-17T00:00:29Z","modified":"2023-01-30T05:02:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:46:44.594683Z"}],"nvd":[{"id":"CVE-2022-40758","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","status":"published","published":"2022-09-16T22:15:12.39Z","modified":"2026-06-17T05:01:59.823Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:07:28.118799Z"}],"osv":[{"id":"CVE-2022-40758","description":"A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.","status":"published","published":"2022-09-16T21:36:46Z","modified":"2026-10-28T02:31:10.980969302Z","updated_at":"2026-11-02T15:44:26.860704Z"}]}}