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CVE-2026-89444

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

In 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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in 23ba9a18896e198f837ae54be99c8852c41890f7; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in 26f554f9f0fb603f76291c10b1cf979241bd2273; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in 44ec7f1113309a93d0f250bcd49285d21dd1470e; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in ceeee18c927958b74a04b92cf084fc496fa21e8b; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in 22222f92b0a5116eb4aac4be81e7b770adfa32ee; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in eb73b9d51490bec4f73ac6efdba5ac535fcfee74; From e8a60aa7404bfef37705da5607c97737073ac38d · fixed in 83c80495e45eddf64c6525fb582d8db68f256b71

  • Linux Linux

    5.11

  • KernelLinux

    From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.109; From 6.13.0 · fixed in 6.18.50; From 6.19.0 · fixed in 7.2.4

References 7

git.kernel.org