linux: In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: use DEV_STATS_INC() to avoid data-race...
CVE-2022-50764 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50764, released December 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: use DEV_STATS_INC() to avoid data-races syzbot/KCSAN reported that multiple cpus are updating dev->stats.tx_error concurrently. This is because sit tunnels are NETIF_F_LLTX, meaning their ndo_start_xmit() is not protected by a spinlock. While original KCSAN report was about tx path, rx path has the same issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.4-1 | DEBIAN-CVE-2022-50764 | Dec 24, 2025 |
| linux · Debian 13.5 (trixie) | 6.1.4-1 | DEBIAN-CVE-2022-50764 | Dec 24, 2025 |
| linux · Debian 14 | 6.1.4-1 | DEBIAN-CVE-2022-50764 | Dec 24, 2025 |
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