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{"bugzilla": {"description": "kernel: smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()", "id": "2461452", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461452"}, "csaw": false, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel's Server Message Block (SMB) server component. This vulnerability, a double-free error, occurs when the `smb_direct_free_sendmsg` function is called redundantly after `smb_direct_flush_send_list()` has already executed it. A remote attacker could potentially exploit this flaw, leading to memory corruption and a denial of service (DoS) on the affected system."], "name": "CVE-2026-31608", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31608\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31608\nhttps://lore.kernel.org/linux-cve-announce/2026042421-CVE-2026-31608-1786@gregkh/T"]}

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