accel/ivpu: Limit firmware log name prints to field size

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Summary

CVECVE-2026-97915
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:18 UTC
Updated2026-09-25 11:17:18 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Limit firmware log name prints to field size The name in struct vpu_tracing_buffer_header is a fixed-size array populated by the NPU firmware. It is expected to be NUL-terminated, but nothing on the host side enforces this, so printing it with an unbounded string conversion would read past the field if the terminator is ever missing and expose adjacent bytes of the shared tracing BO through dmesg and the debugfs FW log output. Print at most as many characters as the name field holds, so the output never runs past it even if the string is not NUL-terminated.

Risk And Classification

EPSS: 0.002000000 probability, percentile 0.088400000 (date 2026-09-26)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d4e4257afa6ed5205eda993180401fc2c20e4b60 6dbba89df4e842d226f5cd3dbc5e94533cfceea2 git Not specified
CNA Linux Linux affected d4e4257afa6ed5205eda993180401fc2c20e4b60 5d06257359c9006a208fece9eb7f0a0e83e0cc92 git Not specified
CNA Linux Linux affected d4e4257afa6ed5205eda993180401fc2c20e4b60 3d7130807009e9be6132c1394a2c7708a3ba39a7 git Not specified
CNA Linux Linux affected d4e4257afa6ed5205eda993180401fc2c20e4b60 95bf070f3225dc7175725438c916ad321d42fe45 git Not specified
CNA Linux Linux affected 6.6 Not specified
CNA Linux Linux unaffected 6.6 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/95bf070f3225dc7175725438c916ad321d42fe45 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6dbba89df4e842d226f5cd3dbc5e94533cfceea2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5d06257359c9006a208fece9eb7f0a0e83e0cc92 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3d7130807009e9be6132c1394a2c7708a3ba39a7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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