platform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89444
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:24 UTC
Updated2026-09-11 20:19:24 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer set_attribute() populates the security area of the BIOS attribute request buffer with the current admin password via populate_security_buffer(), then dumps the whole request buffer with print_hex_dump_bytes(). This can expose the plaintext admin password in the kernel log. The same issue was fixed for the password attribute path by commit d1a196e0a6dc ("platform/x86: dell-wmi-sysman: Don't hex dump plaintext password data"). Remove the remaining dump from the BIOS attribute path.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e8a60aa7404bfef37705da5607c97737073ac38d ceeee18c927958b74a04b92cf084fc496fa21e8b git Not specified
CNA Linux Linux affected e8a60aa7404bfef37705da5607c97737073ac38d 22222f92b0a5116eb4aac4be81e7b770adfa32ee git Not specified
CNA Linux Linux affected e8a60aa7404bfef37705da5607c97737073ac38d eb73b9d51490bec4f73ac6efdba5ac535fcfee74 git Not specified
CNA Linux Linux affected e8a60aa7404bfef37705da5607c97737073ac38d 83c80495e45eddf64c6525fb582d8db68f256b71 git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/22222f92b0a5116eb4aac4be81e7b770adfa32ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/eb73b9d51490bec4f73ac6efdba5ac535fcfee74 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ceeee18c927958b74a04b92cf084fc496fa21e8b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/83c80495e45eddf64c6525fb582d8db68f256b71 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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