{"cve":"CVE-2022-49498","nvd":{"published":"2025-02-26T07:01:25.987","modified":"2026-06-17T05:18:14.820","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned.","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/011b559be832194f992f73d6c0d5485f5925a10b","https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3","https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2","https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6","https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49498","score":0.00269,"percentile":0.19182,"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."]}