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{"bugzilla": {"description": "kernel: SUNRPC: Fix a server shutdown leak", "id": "2363727", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363727"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nSUNRPC: Fix a server shutdown leak\nFix a race where kthread_stop() may prevent the threadfn from ever getting\ncalled. If that happens the svc_rqst will not be cleaned up."], "name": "CVE-2023-53131", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53131\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53131\nhttps://lore.kernel.org/linux-cve-announce/2025050234-CVE-2023-53131-b288@gregkh/T"], "statement": "A race condition in the SUNRPC server shutdown logic could lead to a memory/resource leak of the svc_rqst structure. The issue occurs if kthread_stop() is called before the associated kernel thread (threadfn) is actually scheduled to run. In this case, the thread's cleanup routine (svc_exit_thread()) is never called, resulting in leaked memory or unreleased resources. The patch addresses this by manually invoking cleanup if kthread_stop() returns -EINTR.", "threat_severity": "Low"}