CVE-2022-50764
ipv6/sit: use DEV_STATS_INC() to avoid data-races
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
8df40d1033d64597dcf1efd4f7547e817f7a953b < 222cc04356984f3f98acfa756a69d4bed7c501ac 8df40d1033d64597dcf1efd4f7547e817f7a953b < 4eed93bb3e57b8cc78d17166a14e40a73276015a 8df40d1033d64597dcf1efd4f7547e817f7a953b < 207501a986831174df09a36a8cb62a28f92f0dc8 8df40d1033d64597dcf1efd4f7547e817f7a953b < cb34b7cf17ecf33499c9298943f85af247abc1e9
Linux / Linux
2.6.37
References
git.kernel.org: https://git.kernel.org/stable/c/222cc04356984f3f98acfa756a69d4bed7c501ac git.kernel.org: https://git.kernel.org/stable/c/4eed93bb3e57b8cc78d17166a14e40a73276015a git.kernel.org: https://git.kernel.org/stable/c/207501a986831174df09a36a8cb62a28f92f0dc8 git.kernel.org: https://git.kernel.org/stable/c/cb34b7cf17ecf33499c9298943f85af247abc1e9