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Message-ID: <2025122421-CVE-2023-54136-b58d@gregkh> Date: Wed, 24 Dec 2025 14:07:33 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-54136: serial: sprd: Fix DMA buffer leak issue From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: serial: sprd: Fix DMA buffer leak issue Release DMA buffer when _probe() returns failure to avoid memory leak. The Linux kernel CVE team has assigned CVE-2023-54136 to this issue. Affected and fixed versions =========================== Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 5.4.257 with commit c65be6ad55e5e45f8c4e40e1d8d7fe0e21b26e77 Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 5.10.195 with commit 9a26aaea6c212ea26bab159933dbfd3321a491f6 Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 5.15.132 with commit f34508d934c4f2efb6a85787fc37f42184dabadf Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 6.1.53 with commit 6d209ed70f9c388727995aaece1f930fe63d402b Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 6.4.16 with commit 0237f913694d57bcd7e0e7ae6f255b648a1c42a7 Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 6.5.3 with commit 4ee715e54e255b1be65722f715fca939d5c2ca7a Issue introduced in 5.2 with commit f4487db58eb780a52d768f3b36aaaa8fd5839215 and fixed in 6.6 with commit cd119fdc3ee1450fbf7f78862b5de44c42b6e47f 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-2023-54136 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/tty/serial/sprd_serial.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/c65be6ad55e5e45f8c4e40e1d8d7fe0e21b26e77 https://git.kernel.org/stable/c/9a26aaea6c212ea26bab159933dbfd3321a491f6 https://git.kernel.org/stable/c/f34508d934c4f2efb6a85787fc37f42184dabadf https://git.kernel.org/stable/c/6d209ed70f9c388727995aaece1f930fe63d402b https://git.kernel.org/stable/c/0237f913694d57bcd7e0e7ae6f255b648a1c42a7 https://git.kernel.org/stable/c/4ee715e54e255b1be65722f715fca939d5c2ca7a https://git.kernel.org/stable/c/cd119fdc3ee1450fbf7f78862b5de44c42b6e47f
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