CVE-2026-68349
wifi: carl9170: fix buffer overflow in rx_stream failover path
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]
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < 5fb00a09e9b0375e1ad9d4fefc4a62a67e7ea658 (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < 48c81fb523ecdc6a4b8654944ff32e499f21e6d0 (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < a1ce01764a812c22a47d30aea78e347aebd3eea1 (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < 5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78 (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < 4503829843353dbb18b879c35be1cdfc9af677b7 (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < 21f59906ea75618fdd46a7e32754d54fbee083ea (affected, git) ≥ a84fab3cbfdc427e7d366f1cc844f27b2084c26c; < a1a21995c2e1cc2ca6b2226cfe4f5f018370182a (affected, git) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
2.6.37 (affected) ≥ 0; < 2.6.37 (unaffected, semver) ≥ 5.10.265; ≤ 5.10.* (unaffected, semver) ≥ 5.15.216; ≤ 5.15.* (unaffected, semver) ≥ 6.1.183; ≤ 6.1.* (unaffected, semver) ≥ 6.6.148; ≤ 6.6.* (unaffected, semver) ≥ 6.12.101; ≤ 6.12.* (unaffected, semver) ≥ 6.18.42; ≤ 6.18.* (unaffected, semver) ≥ 7.1.6; ≤ 7.1.* (unaffected, semver) ≥ 7.2; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://git.kernel.org/stable/c/5fb00a09e9b0375e1ad9d4fefc4a62a67e7ea658CNA: Linux
- https://git.kernel.org/stable/c/48c81fb523ecdc6a4b8654944ff32e499f21e6d0CNA: Linux
- https://git.kernel.org/stable/c/a1ce01764a812c22a47d30aea78e347aebd3eea1CNA: Linux
- https://git.kernel.org/stable/c/5acfa18de66b6089b81c1c0bf1a3ae3c940ec39eCNA: Linux
- https://git.kernel.org/stable/c/b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78CNA: Linux
- https://git.kernel.org/stable/c/4503829843353dbb18b879c35be1cdfc9af677b7CNA: Linux
- https://git.kernel.org/stable/c/21f59906ea75618fdd46a7e32754d54fbee083eaCNA: Linux
- https://git.kernel.org/stable/c/a1a21995c2e1cc2ca6b2226cfe4f5f018370182aCNA: Linux
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