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CVE-2023-53400

ALSA: hda: Fix Oops by 9.1 surround channel names

CVSS 5.5 MEDIUMEPSS 0.1%
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix Oops by 9.1 surround channel names get_line_out_pfx() may trigger an Oops by overflowing the static array with more than 8 channels. This was reported for MacBookPro 12,1 with Cirrus codec. As a workaround, extend for the 9.1 channels and also fix the potential Oops by unifying the code paths accessing the same array with the proper size check.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8ahttps://git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6https://git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4https://git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825https://git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6https://git.kernel.org/stable/c/dc8c569d59f17b17d7bca4f68c36bd571659921ehttps://git.kernel.org/stable/c/e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8https://git.kernel.org/stable/c/fcf637461019e9a5a0c12fc5c42a9db1779b0634