From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6E1B3E7148 for ; Fri, 8 May 2026 14:22:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778250174; cv=none; b=X/kG+UNJBD+gi49R07Yq4AJtxE/53OkuPSab8wLYWQwymXUZmcklwKv028iPb80UJrRijDwW+2FFFaR/tud4OUdO59Ik3w/UmYYRO3fQP02flykZ3vdZ7PdInBn2NnH4dsrUERZn76O14+q4XKFXWpaKF9Haq3xnAsWb6tsVr+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778250174; c=relaxed/simple; bh=ot8kp3JnkXGAQ5gi8ES4cAPmzVzjrgpbJTh2B79d8sY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DwwCN+4ngjBj2WSDbQAZygpVmTsANMMwvclRhkvaMaX0ecShMrWjAAwY01FNi6tKde0kNdV8SoEmtXNHE6EtArTPuU0edwr1cWi+mOfb+rbxL/GQMdce9AHEOxh/ZmA/AqO+tJGq245z3jBEj+qlYxj7sq8yiPyaMOg5Jpygf6w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qr7qcLDH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qr7qcLDH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35856C2BCB0; Fri, 8 May 2026 14:22:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778250174; bh=ot8kp3JnkXGAQ5gi8ES4cAPmzVzjrgpbJTh2B79d8sY=; h=From:To:Cc:Subject:Date:Reply-To:From; b=qr7qcLDHx0XIoNk7iykwru4yjJ67cpRbbhTLRUJrKe77u/2vBAvB0XFjaTnHZLLxt Qg+K2e0PK6jrVgJPjSLm5ztL5xTQWJ172wGepScmZ7leVEY3hnA852nQn0R/NMuxaH /0zBvotloYwQSuPpRuQ7Asma0jBSY4UynaeNaY24= From: Greg Kroah-Hartman To: linux-cve-announce@vger.kernel.org Cc: Greg Kroah-Hartman Subject: CVE-2026-43372: net: dsa: microchip: Fix error path in PTP IRQ setup Date: Fri, 8 May 2026 16:21:41 +0200 Message-ID: <2026050830-CVE-2026-43372-d898@gregkh> X-Mailer: git-send-email 2.54.0 Reply-To: , Precedence: bulk X-Mailing-List: linux-cve-announce@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2858; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=SFTuqxTGaDONDP5bZqcM/CckPZlJoKwByKribeAKffQ=; b=owGbwMvMwCRo6H6F97bub03G02pJDJl/P2ZdPDxZsXMqhxPTxHsF09/57o7c/eND8BlN7RXWT k8CxZaYdsSyMAgyMciKKbJ82cZzdH/FIUUvQ9vTMHNYmUCGMHBxCsBEDqxmmCvg82ZN+sHLYTnr dGT3pN6KTXpqwMiw4MaqhVqij02LL7qEGnx24X/KpsYcCAA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 Content-Transfer-Encoding: 8bit From: Greg Kroah-Hartman Description =========== In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Fix error path in PTP IRQ setup If request_threaded_irq() fails during the PTP message IRQ setup, the newly created IRQ mapping is never disposed. Indeed, the ksz_ptp_irq_setup()'s error path only frees the mappings that were successfully set up. Dispose the newly created mapping if the associated request_threaded_irq() fails at setup. The Linux kernel CVE team has assigned CVE-2026-43372 to this issue. Affected and fixed versions =========================== Issue introduced in 6.6.119 with commit 3b5a6115d6ea45df1ea65dc9b832b23db5d593ba and fixed in 6.6.130 with commit 3704ac6a0d9a78f66a187515a8ca3faedaf01cc5 Issue introduced in 6.12.61 with commit 1ba6da6ca3db76f6a39004fd33a9c990e428515e and fixed in 6.12.78 with commit e80fef36c676c947072dabeb5803ae59d92ba493 Issue introduced in 6.18 with commit d0b8fec8ae50525b57139393d0bb1f446e82ff7e and fixed in 6.18.19 with commit 6c58a9fdb0d0e1011aa02455d26d6ebea251979b Issue introduced in 6.18 with commit d0b8fec8ae50525b57139393d0bb1f446e82ff7e and fixed in 6.19.9 with commit c2d1d41e0e8ec447d40a5752844fc5fb0b23db27 Issue introduced in 6.18 with commit d0b8fec8ae50525b57139393d0bb1f446e82ff7e and fixed in 7.0 with commit 99c8c16a4aad0b37293cae213e15957c573cf79b Issue introduced in 6.17.11 with commit ae12e4e0ca231475bcef841c6a6722fa185fd520 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-2026-43372 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/dsa/microchip/ksz_ptp.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/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5 https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493 https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27 https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b