Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C7E2E442B2E; Thu, 20 Aug 2026 16:27:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787243221; cv=none; b=DjT//Mblw9FS3R6EcqBOHrBwunFL8uIeCwCV80UOJt4lWYB9RNgCEWDd298Y0iNXqxRvICnLTtq9ec0qEzMXctHlVEA+U9Y3V09EeP052rGwETj4kesMC1AlWv4xKv5QSMFA0ncxZliOdyc6fOu3WYe38UzzoP9yZYm8XzVQcwc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787243221; c=relaxed/simple; bh=uVy1sYCPcHy+bOI+zy23e1hfkyme0mLItfI3WfPZi8c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z6tZx6TRR9fYs1Zj1ys+udI/Gf0i4ZIZSJXJvtXSUc43t9YPJkb+mq4JPt896xh6uEPuPopT4d4Gas66lvvXLvJlmQcqVEW1XVrvausi9RsmZMg7CYv/AWvcnmfV/0c+Lb8BvZEPg62Nnhai84uFxdYUQoD/AnSkRx+ouRne7qA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=WL6edsCt; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="WL6edsCt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2FE11F000E9; Thu, 20 Aug 2026 16:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787243220; bh=kd6N8TZ4fxXJ0j2meanG6k7naA/3vNpo7tJEpeGmeHw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WL6edsCtWdnRzjQ7+JUMRc6nJnuazOaitXjbbs0wsyBByIX74y1xNRdWbUORHrtuT 81vS9oeOT2ikmfGJ+4LGlwubaoaDQgb1t3cFpP2rpn2Z52Uv8k0AtLIoG2YhhJ2wSH IiK8btQd74hcUtG9/IO7CGBmJnCbzo1BTfmSzVac= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Fullway Wang , Mauro Carvalho Chehab , Andrey Troshin , Sasha Levin Subject: [PATCH 5.15 002/272] media: mtk-vcodec: potential null pointer deference in SCP Date: Thu, 20 Aug 2026 16:53:06 +0200 Message-ID: <20260820145231.309929878@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260820145231.229664293@linuxfoundation.org> References: <20260820145231.229664293@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fullway Wang [ Upstream commit 53dbe08504442dc7ba4865c09b3bbf5fe849681b ] The return value of devm_kzalloc() needs to be checked to avoid NULL pointer deference. This is similar to CVE-2022-3113. Link: https://lore.kernel.org/linux-media/PH7PR20MB5925094DAE3FD750C7E39E01BF712@PH7PR20MB5925.namprd20.prod.outlook.com Signed-off-by: Fullway Wang Signed-off-by: Mauro Carvalho Chehab [Andrey Troshin: backport fixs from drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c to drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c] Signed-off-by: Andrey Troshin Signed-off-by: Sasha Levin --- drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c index d8e66b645bd8..27f08b1d34d1 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_scp.c @@ -65,6 +65,8 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_scp_init(struct mtk_vcodec_dev *dev) } fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL); + if (!fw) + return ERR_PTR(-ENOMEM); fw->type = SCP; fw->ops = &mtk_vcodec_rproc_msg; fw->scp = scp; -- 2.53.0