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CVE-2022-50764

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CVE-2022-50764

Published: Dec 24, 2025

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
8df40d1033d64597dcf1efd4f7547e817f7a953b - < 222cc04356984f3f98acfa756a69d4bed7c501ac
affected
8df40d1033d64597dcf1efd4f7547e817f7a953b - < 4eed93bb3e57b8cc78d17166a14e40a73276015a
affected
8df40d1033d64597dcf1efd4f7547e817f7a953b - < 207501a986831174df09a36a8cb62a28f92f0dc8
affected
8df40d1033d64597dcf1efd4f7547e817f7a953b - < cb34b7cf17ecf33499c9298943f85af247abc1e9

Linux

Linux

affected
2.6.37
unaffected
0 - < 2.6.37
unaffected
5.15.86 - <= 5.15.*
unaffected
6.0.16 - <= 6.0.*
unaffected
6.1.2 - <= 6.1.*

+1 more versions

References

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