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Message-ID: <2025071034-CVE-2025-38336-ab73@gregkh> Date: Thu, 10 Jul 2025 10:15:44 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2025-38336: ata: pata_via: Force PIO for ATAPI devices on VT6415/VT6330 From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: ata: pata_via: Force PIO for ATAPI devices on VT6415/VT6330 The controller has a hardware bug that can hard hang the system when doing ATAPI DMAs without any trace of what happened. Depending on the device attached, it can also prevent the system from booting. In this case, the system hangs when reading the ATIP from optical media with cdrecord -vvv -atip on an _NEC DVD_RW ND-4571A 1-01 and an Optiarc DVD RW AD-7200A 1.06 attached to an ASRock 990FX Extreme 4, running at UDMA/33. The issue can be reproduced by running the same command with a cygwin build of cdrecord on WinXP, although it requires more attempts to cause it. The hang in that case is also resolved by forcing PIO. It doesn't appear that VIA has produced any drivers for that OS, thus no known workaround exists. HDDs attached to the controller do not suffer from any DMA issues. The Linux kernel CVE team has assigned CVE-2025-38336 to this issue. Affected and fixed versions =========================== Fixed in 5.4.295 with commit 67d66a5e4583fd3bcf13d6f747e571df13cbad51 Fixed in 5.10.239 with commit 0d9a48dfa934f43ac839211ae4aeba34f666a9a5 Fixed in 5.15.186 with commit 7fc89c218fc96a296a2840b1e37f4e0975f7a108 Fixed in 6.1.142 with commit 8212cd92fe40aae6fe5a073bc70e758c42bb4bfc Fixed in 6.6.95 with commit 8edfed4439b107d62151ff6c075958d169da3e71 Fixed in 6.12.35 with commit 947f9304d3c876c6672b947b80c0ef51161c6d2f Fixed in 6.15.4 with commit bb7212ee4ff086628a2c1c22336d082a87cb893d Fixed in 6.16-rc3 with commit d29fc02caad7f94b62d56ee1b01c954f9c961ba7 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-2025-38336 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/ata/pata_via.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/67d66a5e4583fd3bcf13d6f747e571df13cbad51 https://git.kernel.org/stable/c/0d9a48dfa934f43ac839211ae4aeba34f666a9a5 https://git.kernel.org/stable/c/7fc89c218fc96a296a2840b1e37f4e0975f7a108 https://git.kernel.org/stable/c/8212cd92fe40aae6fe5a073bc70e758c42bb4bfc https://git.kernel.org/stable/c/8edfed4439b107d62151ff6c075958d169da3e71 https://git.kernel.org/stable/c/947f9304d3c876c6672b947b80c0ef51161c6d2f https://git.kernel.org/stable/c/bb7212ee4ff086628a2c1c22336d082a87cb893d https://git.kernel.org/stable/c/d29fc02caad7f94b62d56ee1b01c954f9c961ba7
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