What’s Vulnerable › Vulnerabilities

CVE-2026-68349: wifi: carl9170: fix buffer overflow in rx_stream failover path

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-08-19

Description

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 kernel: 2.6.37 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/21f59906ea75618fdd46a7e32754d54fbee083ea
• https://git.kernel.org/stable/c/4503829843353dbb18b879c35be1cdfc9af677b7
• https://git.kernel.org/stable/c/48c81fb523ecdc6a4b8654944ff32e499f21e6d0
• https://git.kernel.org/stable/c/5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e
• https://git.kernel.org/stable/c/5fb00a09e9b0375e1ad9d4fefc4a62a67e7ea658
• https://git.kernel.org/stable/c/a1a21995c2e1cc2ca6b2226cfe4f5f018370182a
• https://git.kernel.org/stable/c/a1ce01764a812c22a47d30aea78e347aebd3eea1
• https://git.kernel.org/stable/c/b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78

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