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Message-ID: <2025101555-CVE-2025-39968-ca60@gregkh> Date: Wed, 15 Oct 2025 09:56:56 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2025-39968: i40e: add max boundary check for VF filters From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: i40e: add max boundary check for VF filters There is no check for max filters that VF can request. Add it. The Linux kernel CVE team has assigned CVE-2025-39968 to this issue. Affected and fixed versions =========================== Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.4.300 with commit 9176e18681cb0d34c5acc87bda224f5652af2ab8 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.10.245 with commit e490d8c5a54e0dd1ab22417d72c3a7319cf0f030 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 5.15.194 with commit 77a35be582dff4c80442ebcdce24d45eed8a6ce4 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.1.155 with commit 02aae5fcdd34c3a55a243d80a1b328a35852a35c Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.6.109 with commit edecce7abd7152b48e279b4fa0a883d1839bb577 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.12.50 with commit d33e5d6631ac4fddda235a7815babc9d3f124299 Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.16.10 with commit 8b13df5aa877b9e4541e301a58a84c42d84d2d9a Issue introduced in 4.17 with commit e284fc280473bed23f2e1ed324e102a48f7d17e1 and fixed in 6.17 with commit cb79fa7118c150c3c76a327894bb2eb878c02619 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-2025-39968 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/9176e18681cb0d34c5acc87bda224f5652af2ab8 https://git.kernel.org/stable/c/e490d8c5a54e0dd1ab22417d72c3a7319cf0f030 https://git.kernel.org/stable/c/77a35be582dff4c80442ebcdce24d45eed8a6ce4 https://git.kernel.org/stable/c/02aae5fcdd34c3a55a243d80a1b328a35852a35c https://git.kernel.org/stable/c/edecce7abd7152b48e279b4fa0a883d1839bb577 https://git.kernel.org/stable/c/d33e5d6631ac4fddda235a7815babc9d3f124299 https://git.kernel.org/stable/c/8b13df5aa877b9e4541e301a58a84c42d84d2d9a https://git.kernel.org/stable/c/cb79fa7118c150c3c76a327894bb2eb878c02619
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