{"cve":"CVE-2023-53755","nvd":{"published":"2025-12-08T02:15:51.120","modified":"2026-06-17T06:46:00.847","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ptdma: check for null desc before calling pt_cmd_callback\n\nResolves a panic that can occur on AMD systems, typically during host\nshutdown, after the PTDMA driver had been exercised. The issue was\nthe pt_issue_pending() function is mistakenly assuming that there will\nbe at least one descriptor in the Submitted queue when the function\nis called. However, it is possible that both the Submitted and Issued\nqueues could be empty, which could result in pt_cmd_callback() being\nmistakenly called with a NULL pointer.\nRef: Bugzilla Bug 216856.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/5bba023b1241c7af5d40447503a68de282ad5190","https://git.kernel.org/stable/c/8ae2113702613207efc05453bc9a3df2b992bf45","https://git.kernel.org/stable/c/928469986171a6f763b34b039427f5667ba3fd50"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2023-53755","score":0.00184,"percentile":0.07975,"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."]}