CVE-2022-50764
CVE-2022-50764
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
No affected-product ranges reported in collected sources.
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/207501a986831174df09a36a8cb62a28f92f0dc8416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/222cc04356984f3f98acfa756a69d4bed7c501ac416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/4eed93bb3e57b8cc78d17166a14e40a73276015a416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/cb34b7cf17ecf33499c9298943f85af247abc1e9416baaa9-dc9f-4396-8d5f-8c081fb06d67
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