{"cve":"CVE-2022-50411","nvd":{"published":"2025-09-18T16:15:44.380","modified":"2026-06-17T05:23:29.320","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix error code path in acpi_ds_call_control_method()\n\nA use-after-free in acpi_ps_parse_aml() after a failing invocaion of\nacpi_ds_call_control_method() is reported by KASAN [1] and code\ninspection reveals that next_walk_state pushed to the thread by\nacpi_ds_create_walk_state() is freed on errors, but it is not popped\nfrom the thread beforehand.  Thus acpi_ds_get_current_walk_state()\ncalled by acpi_ps_parse_aml() subsequently returns it as the new\nwalk state which is incorrect.\n\nTo address this, make acpi_ds_call_control_method() call\nacpi_ds_pop_walk_state() to pop next_walk_state from the thread before\nreturning an error.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/0462fec709d51762ba486245bc344f44cc6cfa97","https://git.kernel.org/stable/c/2deb42c4f9776e59bee247c14af9c5e8c05ca9a6","https://git.kernel.org/stable/c/38e251d356a01b61a86cb35213cafd7e8fe7090c","https://git.kernel.org/stable/c/404ec60438add1afadaffaed34bb5fe4ddcadd40","https://git.kernel.org/stable/c/5777432ebaaf797e24f059979b42df3139967163"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2022-50411","score":0.00166,"percentile":0.05901,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}