🛡️ AZL-64920 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2025-38336 affecting package kernel for versions less than 6.6.96.1-1

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.

Affected software

AZL-64920 is recorded against 1 package.

  • kernel (fixed in 6.6.96.1-1)

Timeline and source

Published on 10 July 2025 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-07-10
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — 6.6.96.1-1

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