{"cve":"CVE-2022-49323","nvd":{"published":"2025-02-26T07:01:09.130","modified":"2026-06-17T05:17:42.990","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/3660db29b0305f9a1d95979c7af0f5db6ea99f5d","https://git.kernel.org/stable/c/449fc4561762ad9ad85362d5f01f0d0df397457a","https://git.kernel.org/stable/c/80776a71340f57d6a4952635fc89f0342072f3ca","https://git.kernel.org/stable/c/98dd53a92825747395649f54d23512a13c3ed471","https://git.kernel.org/stable/c/d9ed8af1dee37f181096631fb03729ece98ba816"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49323","score":0.00277,"percentile":0.20134,"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."]}