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 1FE5B36A352 for ; Sat, 15 Aug 2026 06:19:53 +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=1786774794; cv=none; b=ZcA1orHJOOQZTBULcoAXuGHhwFJB1I+2FujpvyKmA/u1abfavW7+S5dzjqtY9ghckLJ7GmBdbonJaUaS95iHtVWniNRrdrOZiA6zD8p3uDTiu1pzwYOeEny1MIW+S+X1rLcu3skZfb/gMjPdqM4FrCte+CcPwgZykFmuXD+IQXI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786774794; c=relaxed/simple; bh=6MjzVDADf2A0lD2didhx3oJqNNg/FD20CeSpZooGOAk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=LB9DZ8CowDXq5CN1C8hhj/FNRuN/ENPVTFnjB3mZRHM8vU3xiw6gGoXk/uFrhFNsoIWeERvMNOfn/Ybc3/8lljV+bth4IsUWYhAchVv/2DgXGEASnk/OGqgcHREh2SxiyIIkDYERjnMO/6tRv27bYGP4/dIAGTi3qp3No71rxrU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jXnFvkEl; 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="jXnFvkEl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 756DC1F000E9; Sat, 15 Aug 2026 06:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786774793; bh=Pg51vHZ9YR+iDJnjcFlu9Ac2IRAaLk+6dBZqWIX4U8U=; h=From:To:Cc:Subject:Date:Reply-To; b=jXnFvkElYYnMXRo1eICvhNQkhh6j/hiLvhYxuKPZFQaYtt7EDtM6AC5bU57LGLg2E 3dPmOeKqlJYc75sQgtTmNpMASjiKT7u9rdCiaYm7qR0VVO4bX9jcIvZSkTagCIwdJm btRSj8xfwz+YR2SIdf70Pa4RhV/YHu6j7u/VacKg= From: Greg Kroah-Hartman To: linux-cve-announce@vger.kernel.org Cc: Greg Kroah-Hartman Subject: CVE-2026-72273: fbdev: efifb: fix memory leak in efifb_probe() Date: Sat, 15 Aug 2026 15:05:52 +0900 Message-ID: <2026081557-CVE-2026-72273-0ed0@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=2718; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=27/2+d//OEkcXedGS42jTL9iqjVWQZuIfbQ2VaOlMS4=; b=owGbwMvMwCRo6H6F97bub03G02pJDFkNDFfFf37icTy2Q+PUro0ft2ko/dnjP/lf3+JCT/NHO r1rfpWc6IhlYRBkYpAVU2T5so3n6P6KQ4pehranYeawMoEMYeDiFICJ7F7DMD/tbotx0/Hpi99a v5yQ9N9iwae7Hl8YFhxfY3yxa9LEi9Onn+ax3JT1+uaKGwsA 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: fbdev: efifb: fix memory leak in efifb_probe() Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup. The Linux kernel CVE team has assigned CVE-2026-72273 to this issue. Affected and fixed versions =========================== Issue introduced in 6.4 with commit 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and fixed in 6.6.148 with commit fafb2e08741b20027cee77918816de29a32d6fd6 Issue introduced in 6.4 with commit 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and fixed in 6.12.97 with commit 475383daf5f855f5b2c3a9aa801f69b69a81799e Issue introduced in 6.4 with commit 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and fixed in 6.18.40 with commit febb5b4f67ace78d6b6862cc3c853b64710afb6c Issue introduced in 6.4 with commit 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and fixed in 7.1.5 with commit 5276e3f75ddb51f980a8903f4b39e73cf42415e5 Issue introduced in 6.4 with commit 73ce73c30ba9ae4d90fdfad7ebe9104001d5d851 and fixed in 7.2-rc1 with commit 9b6eaf101656958397a6012bf43f6e2e42c9e5cb 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-2026-72273 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/video/fbdev/efifb.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/fafb2e08741b20027cee77918816de29a32d6fd6 https://git.kernel.org/stable/c/475383daf5f855f5b2c3a9aa801f69b69a81799e https://git.kernel.org/stable/c/febb5b4f67ace78d6b6862cc3c853b64710afb6c https://git.kernel.org/stable/c/5276e3f75ddb51f980a8903f4b39e73cf42415e5 https://git.kernel.org/stable/c/9b6eaf101656958397a6012bf43f6e2e42c9e5cb