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Message-ID: <2025101556-CVE-2025-39970-2ec8@gregkh> Date: Wed, 15 Oct 2025 09:56:58 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2025-39970: i40e: fix input validation logic for action_meta From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: i40e: fix input validation logic for action_meta Fix condition to check 'greater or equal' to prevent OOB dereference. The Linux kernel CVE team has assigned CVE-2025-39970 to this issue. Affected and fixed versions =========================== Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.4.300 with commit a88c1b2746eccf00e2094b187945f0f1e990b400 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.10.245 with commit 28465770ca3b694286ff9ed6dfd558413f57d98f Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.15.194 with commit f8c8e11825b24661596fa8db2f0981ba17ed0817 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.1.155 with commit 461e0917eedcd159d87f3ea846754a1e07d7e78a Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.6.109 with commit 3883e9702b6a4945e93b16c070f338a9f5b496f9 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.12.50 with commit 3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.16.10 with commit 560e1683410585fbd5df847f43433c4296f0d222 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.17 with commit 9739d5830497812b0bdeaee356ddefbe60830b88 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2025-39970 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/a88c1b2746eccf00e2094b187945f0f1e990b400 https://git.kernel.org/stable/c/28465770ca3b694286ff9ed6dfd558413f57d98f https://git.kernel.org/stable/c/f8c8e11825b24661596fa8db2f0981ba17ed0817 https://git.kernel.org/stable/c/461e0917eedcd159d87f3ea846754a1e07d7e78a https://git.kernel.org/stable/c/3883e9702b6a4945e93b16c070f338a9f5b496f9 https://git.kernel.org/stable/c/3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b https://git.kernel.org/stable/c/560e1683410585fbd5df847f43433c4296f0d222 https://git.kernel.org/stable/c/9739d5830497812b0bdeaee356ddefbe60830b88
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