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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-63961

usb: typec: altmodes/displayport: validate count before reading Status Update VDO

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and send it off elsewhere. Fix this up by correctly verifying the count for the update object.

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

  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 74aabe9ea30fdfba924fce9594e6aa69a596a4bbaffected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < dd7118c010f324497c275e8fd7a35c9baaa2a00faffected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 6ffdbcd7a02f3af8fff9b6519830369f574ed44caffected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 70e7045849e954e56dcbf441b6330e66bc996306affected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 64bd6ccc5799f8473d1f37d4d8f53093dfec5c02affected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9baffected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 77a759ec30bc5fb0dd9c867b711d0acfed6c7faaaffected
  • 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 to < 8a18f896e667df491331371b55d4ad644dc51d60affected

Linux Linux

Default version status: affected

  • 4.19affected
  • 0 to < 4.19unaffected
  • 5.10.259 to ≤ 5.10.*unaffected
  • 5.15.210 to ≤ 5.15.*unaffected
  • 6.1.176 to ≤ 6.1.*unaffected
  • 6.6.143 to ≤ 6.6.*unaffected
  • 6.12.93 to ≤ 6.12.*unaffected
  • 6.18.35 to ≤ 6.18.*unaffected
  • 7.0.12 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References