wifi: carl9170: fix buffer overflow in rx_stream failover path
0Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Track
exploitation probability
—
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
wifi: carl9170: fix buffer overflow in rx_stream failover path
The failover continuation in carl9170_rx_stream() copies the full tlen
from the second USB transfer instead of capping at rx_failover_missing
bytes. When both transfers are near maximum size, the total exceeds the
65535-byte failover SKB, triggering skb_over_panic.
Limit the copy size to the missing byte count.
[Fix checkpatch CHECK:PARENTHESIS_ALIGNMENT]
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/21f59906ea75618fdd46a7e32754d54fbee083eahttps://git.kernel.org/stable/c/4503829843353dbb18b879c35be1cdfc9af677b7https://git.kernel.org/stable/c/5acfa18de66b6089b81c1c0bf1a3ae3c940ec39ehttps://git.kernel.org/stable/c/a1a21995c2e1cc2ca6b2226cfe4f5f018370182ahttps://git.kernel.org/stable/c/b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78