CVE-2026-64225 PUBLISHED

octeontx2-af: CGX: add bounds check to cgx_speed_mbps index

Assigner: Linux
Reserved: 19.07.2026 Published: 24.07.2026 Updated: 24.07.2026

In the Linux kernel, the following vulnerability has been resolved:

octeontx2-af: CGX: add bounds check to cgx_speed_mbps index

cgx_speed_mbps has 13 elements but RESP_LINKSTAT_SPEED can yield values 0-15. If it returns a value >= 13, this causes an out-of-bounds array access. Add a bounds check and default to speed 0 if the index is out of range.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 94071141f00bc414e8f8f7f5db3b5143d535299f (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 985b5e38ac4f4d5ff03c8bfd8484353b440a1579 (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 93d3dc81098cd60fb74d434ba7985ddfd9de5acb (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to e043017ac429caee73bd30c5a725659f1a3a4568 (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 8201bf45cc7c1c1a09290c4db8ab1e19801f8fec (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 47a4cf2229be379cf88f92e32e1240337cd6273f (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to 2c3d26b4a62454945ba9ef3af3174d3e40e7afef (excl.)
  • affected from 61071a871ea6eb2125ece91c1a0dbb124a318c8a to c0bf0a4f3f1f5f57aa83e1400ba4f56f0abfd542 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.20 is affected
  • unaffected from 0 to 4.20 (excl.)
  • unaffected from 5.10.259 to 5.10.* (incl.)
  • unaffected from 5.15.210 to 5.15.* (incl.)
  • unaffected from 6.1.176 to 6.1.* (incl.)
  • unaffected from 6.6.143 to 6.6.* (incl.)
  • unaffected from 6.12.92 to 6.12.* (incl.)
  • unaffected from 6.18.34 to 6.18.* (incl.)
  • unaffected from 7.0.11 to 7.0.* (incl.)
  • unaffected from 7.1 to * (incl.)

References