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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-43435

rust_binder: fix oneway spam detection

Description

In the Linux kernel, the following vulnerability has been resolved: rust_binder: fix oneway spam detection The spam detection logic in TreeRange was executed before the current request was inserted into the tree. So the new request was not being factored in the spam calculation. Fix this by moving the logic after the new range has been inserted. Also, the detection logic for ArrayRange was missing altogether which meant large spamming transactions could get away without being detected. Fix this by implementing an equivalent low_oneway_space() in ArrayRange. Note that I looked into centralizing this logic in RangeAllocator but iterating through 'state' and 'size' got a bit too complicated (for me) and I abandoned this effort.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • eafedbc7c050c44744fbdf80bdf3315e860b7513 to < edf685946c4acbe57cb96f8d5f3c07e9a2e973c8affected
  • eafedbc7c050c44744fbdf80bdf3315e860b7513 to < 8d34c993a9a156e657e43cb95186980745cc3597affected
  • eafedbc7c050c44744fbdf80bdf3315e860b7513 to < 4fc87c240b8f30e22b7ebaae29d57105589e1c0baffected

Linux Linux

Default version status: affected

  • 6.18affected
  • 0 to < 6.18unaffected
  • 6.18.19 to ≤ 6.18.*unaffected
  • 6.19.9 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References