{"cve":"CVE-2025-21844","nvd":{"published":"2025-03-12T10:15:16.677","modified":"2026-10-15T02:17:37.983","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Add check for next_buffer in receive_encrypted_standard()\n\nAdd check for the return value of cifs_buf_get() and cifs_small_buf_get()\nin receive_encrypted_standard() to prevent null pointer dereference.","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/24e8e4523d3071bc5143b0db9127d511489f7b3b","https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96","https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7","https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391","https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:17.429720821+00:00"},"epss":{"cve":"CVE-2025-21844","score":0.00619,"percentile":0.49364,"date":"2026-10-25"},"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."]}