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{"bugzilla": {"description": "kernel: smb: server: fix use-after-free in smb2_open()", "id": "2468162", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468162"}, "csaw": false, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel. Specifically, within the Server Message Block (SMB) server component, a use-after-free vulnerability exists in the `smb2_open()` function. This issue arises when an `opinfo` pointer is accessed after its memory has been deallocated, creating a window for potential memory corruption. An attacker could exploit this to cause a denial of service or potentially execute arbitrary code."], "name": "CVE-2026-43378", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43378\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43378\nhttps://lore.kernel.org/linux-cve-announce/2026050832-CVE-2026-43378-d7e3@gregkh/T"]}

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