From mboxrd@z Thu Jan 1 00:00:00 1970 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 F27DB3D6691 for ; Wed, 3 Jun 2026 15:52:21 +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=1780501943; cv=none; b=tBZaOKWVYRMLXh94RKBa+5xgetSmd5eLaTNxPBsJBuMrSnsWZlSCgi5jUmHdl1AgOxZPHEOIyrdqJSv5rlh18vCjTjFClgf9zDg7d8xDz+Nvi5LdZldMofGLY9rhYFX0w7H4MWiOCUKpKA30xQhB375e/n/8xQVe2/OuiEn7tZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780501943; c=relaxed/simple; bh=n0raWsaY80hzPDmIox691T71vYtC7BYbePwdHD1Sr0o=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=NloPY59O8igcbe/mTjj06y/P5M/W9L1CNU9CyM77q+bMtHxKba5TScI8o5xX/28EpVL0iV4G9KDyPYYvlFn85gLij3pOJL7kQQ6zdRu/pDBl1ZlDlxgCuEg3lzwfAiRLVQ9wyPK28ZrpufZ4XmT1/JwvpolLXcKZ58T3ktnGrMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Ee/HrLYw; 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="Ee/HrLYw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A5691F00893; Wed, 3 Jun 2026 15:52:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780501941; bh=4EIoAdNvyn4MQmvZQjcWjtdGk5gYQrrq4rk7adaewH8=; h=From:To:Cc:Subject:Date:Reply-To; b=Ee/HrLYwQjQAuQ4zuZK+6qnWz4wefWdHkKhtz7SbtDi3TxBfKTyIkuVARNU4boZOo NM9Anw/dxVDY9ZtlcP3uUO82HIFnaYWDgudVObOZba472imvPqi4zVgcdsg7YJUHv7 GzJYOgWa64kq7D+YzbxwNui03Az3uA/Ae4V959h8= From: Greg Kroah-Hartman To: linux-cve-announce@vger.kernel.org Cc: Greg Kroah-Hartman Subject: CVE-2026-46247: clk: qcom: gfx3d: add parent to parent request map Date: Wed, 3 Jun 2026 17:49:36 +0200 Message-ID: <2026060333-CVE-2026-46247-4daa@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=4326; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=tYdJH2HnXq+7mEZXW4x+IA+wdW1wi/23P5lxjJuLzDs=; b=owGbwMvMwCRo6H6F97bub03G02pJDFkKvrx3tBc3z7ibnxI2cY2Z+sfnX46Zdr4NyErWFDnZd Spabv77jlgWBkEmBlkxRZYv23iO7q84pOhlaHsaZg4rE8gQBi5OAZjIuncM8yy3THmvU98s4Gzi +7euzOzjg0reyQwLDrT/VstU3dFy+Pj77I6tvbditLjXAgA= 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: clk: qcom: gfx3d: add parent to parent request map After commit d228ece36345 ("clk: divider: remove round_rate() in favor of determine_rate()") determining GFX3D clock rate crashes, because the passed parent map doesn't provide the expected best_parent_hw clock (with the roundd_rate path before the offending commit the best_parent_hw was ignored). Set the field in parent_req in addition to setting it in the req, fixing the crash. clk_hw_round_rate (drivers/clk/clk.c:1764) (P) clk_divider_bestdiv (drivers/clk/clk-divider.c:336) divider_determine_rate (drivers/clk/clk-divider.c:358) clk_alpha_pll_postdiv_determine_rate (drivers/clk/qcom/clk-alpha-pll.c:1275) clk_core_determine_round_nolock (drivers/clk/clk.c:1606) clk_core_round_rate_nolock (drivers/clk/clk.c:1701) __clk_determine_rate (drivers/clk/clk.c:1741) clk_gfx3d_determine_rate (drivers/clk/qcom/clk-rcg2.c:1268) clk_core_determine_round_nolock (drivers/clk/clk.c:1606) clk_core_round_rate_nolock (drivers/clk/clk.c:1701) clk_core_round_rate_nolock (drivers/clk/clk.c:1710) clk_round_rate (drivers/clk/clk.c:1804) dev_pm_opp_set_rate (drivers/opp/core.c:1440 (discriminator 1)) msm_devfreq_target (drivers/gpu/drm/msm/msm_gpu_devfreq.c:51) devfreq_set_target (drivers/devfreq/devfreq.c:360) devfreq_update_target (drivers/devfreq/devfreq.c:426) devfreq_monitor (drivers/devfreq/devfreq.c:458) process_one_work (arch/arm64/include/asm/jump_label.h:36 include/trace/events/workqueue.h:110 kernel/workqueue.c:3284) worker_thread (kernel/workqueue.c:3356 (discriminator 2) kernel/workqueue.c:3443 (discriminator 2)) kthread (kernel/kthread.c:467) ret_from_fork (arch/arm64/kernel/entry.S:861) The Linux kernel CVE team has assigned CVE-2026-46247 to this issue. Affected and fixed versions =========================== Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 6.1.165 with commit 82cfe5292b11deb1dc33822f67f73cfbe8eafe25 Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 6.6.128 with commit 547ae2f17349c7586953af5ef50de43ef3f65e9e Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 6.12.75 with commit 56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8 Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 6.18.14 with commit aed53da569fb96eec09b4817b1953bcc2e467eea Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 6.19.4 with commit 8aa972eba1f29068d13bec716d33abca30fb3f2a Issue introduced in 4.5 with commit 55213e1acec9218580c90d36034aa0370a51daab and fixed in 7.0 with commit 2583cb925ca1ce450aa5d74a05a67448db970193 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-2026-46247 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/clk/qcom/clk-rcg2.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/82cfe5292b11deb1dc33822f67f73cfbe8eafe25 https://git.kernel.org/stable/c/547ae2f17349c7586953af5ef50de43ef3f65e9e https://git.kernel.org/stable/c/56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8 https://git.kernel.org/stable/c/aed53da569fb96eec09b4817b1953bcc2e467eea https://git.kernel.org/stable/c/8aa972eba1f29068d13bec716d33abca30fb3f2a https://git.kernel.org/stable/c/2583cb925ca1ce450aa5d74a05a67448db970193