{"id":"CVE-2026-90137","published":"2026-09-17T17:17:06.287","lastModified":"2026-09-18T18:17:43.270","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: hp-bioscfg: fix password encoding bounds check\n\nThe password PSWD_ENCODINGS parser reads password_obj[elem + pos_values]\nwhile copying the supported password encodings from the ACPI package.\n\nThe outer loop only guarantees that elem is within password_obj_count.\nThe encoding count is bounded by MAX_ENCODINGS_SIZE, but that does not\nguarantee that the ACPI package contains enough entries for all\nelem + pos_values accesses.\n\nA malformed package can therefore declare a non-zero encoding count\nwithout providing enough string objects, causing the parser to read past\nthe ACPI package array and pass an out-of-bounds string pointer and\nlength to hp_convert_hexstr_to_str().\n\nAdd the same computed-index bounds check used by the other offset-based\npackage parsing loops before reading password_obj[elem + pos_values].","cvssScore":7.7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/59fe8491ddaa03a510b352552e6ee291e7ce45d3","tags":[]},{"url":"https://git.kernel.org/stable/c/8a7499b8fd34438c1b11964e0e7ef5bd590fec92","tags":[]},{"url":"https://git.kernel.org/stable/c/ace1ba5fca0ab775b3641e154bcbc3ccde26a71a","tags":[]},{"url":"https://git.kernel.org/stable/c/c224759555a13735b0d67561d818cefe00c3309a","tags":[]},{"url":"https://git.kernel.org/stable/c/e213939ed9e6e6badf7aa48c4c8dd9a9cdf00615","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}