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 BF15937B407 for ; Sat, 15 Aug 2026 06:31:08 +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=1786775469; cv=none; b=bTyuSpoHFnwgQGz+YGCTRuETgVFdBcSfQcZG/j5msvKPaolNmTKt5E6s1WnMHMepsJAoFtCgL06HOsMUPd/+4v4nvbdfNU29fzTgZ4TtxA/b+EeXim6U9m2YJitGJqhnlmBPNbMRGCyKKCZfb+E9UuHr5nLvawmq1FLIVTSnCAg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786775469; c=relaxed/simple; bh=tp4nLnLQFDryrA5x9HL7YyFPj00lmABePUafeCJNU8c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=UL3BRbTny+LKFGXw5lxAbkVZvoOWk45QdtjFulEdpR71gxACE+5tNu0DIETrSzBzzO5Ij44+sIDt2v2G08qDj840n6xPKMPrr9VkzTqDNyvWChs0PbrzleFdiJE3kmUeWbxUrAkvmZo6mw1FTtKjZTIUCCfnpIlts/dbZninpvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ist+6UH1; 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="ist+6UH1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1B75E1F000E9; Sat, 15 Aug 2026 06:31:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786775468; bh=cdzGA5EyZcXATZjHpvD/Un2t+QqtSncNruSR9jLzoxo=; h=From:To:Cc:Subject:Date:Reply-To; b=ist+6UH1cZsRZSMSviHeAJdwUU2ykp3adxOrcolvoIl9mgOx98jB0YYpVM9uZXi6B AewlJPfwRIEhdu1dJ2SGbafgL9WqNRFYbcckanFlRjffZEwZMnEoQm/OFM7iT3bwK5 XooCom9mBpCORUyTMzMlpuF0UdKQfZgUYgVTJB40= From: Greg Kroah-Hartman To: linux-cve-announce@vger.kernel.org Cc: Greg Kroah-Hartman Subject: CVE-2026-72494: RDMA/irdma: Replace waitqueue and flag with completion Date: Sat, 15 Aug 2026 15:09:33 +0900 Message-ID: <2026081539-CVE-2026-72494-4d3e@gregkh> X-Mailer: git-send-email 2.55.0 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=2235; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=ks27W04p3/vrE4K4ior2tcdsKhU0VrNedyHVMQ1+ARk=; b=owGbwMvMwCRo6H6F97bub03G02pJDFkNDP836ItqMSy7rtPEdGdS05VK82dT/mmmXq74u6ZJ5 WL9pfuvO2JZGASZGGTFFFm+bOM5ur/ikKKXoe1pmDmsTCBDGLg4BWAiy38zLNgiz/I1zerPTFf2 F/7rWvcXebOzn2BYsLmrKe0pT2fdpuvzLcIf2jc8zQqZDAA= 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: RDMA/irdma: Replace waitqueue and flag with completion The driver previously used a waitqueue along with an explicit request_done flag, but without proper barriers around request_done. An earlier patch by Gui-Dong Han attempted to fix this by adding the missing memory barriers. Rather than adding the barriers, this patch replaces the waitqueue+flag with a completion, which is designed for this exact purpose. The Linux kernel CVE team has assigned CVE-2026-72494 to this issue. Affected and fixed versions =========================== Issue introduced in 5.14 with commit 44d9e52977a1b90b0db1c7f8b197c218e9226520 and fixed in 7.1.5 with commit bde37aed0724c0139dea177f3aae8d989b6babb1 Issue introduced in 5.14 with commit 44d9e52977a1b90b0db1c7f8b197c218e9226520 and fixed in 7.2-rc1 with commit d9c8c45e6d2f438a3c8e643ae78b59454fa0fadd 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-2026-72494 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/infiniband/hw/irdma/hw.c drivers/infiniband/hw/irdma/main.h drivers/infiniband/hw/irdma/utils.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/bde37aed0724c0139dea177f3aae8d989b6babb1 https://git.kernel.org/stable/c/d9c8c45e6d2f438a3c8e643ae78b59454fa0fadd