vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-50764

ipv6/sit: use DEV_STATS_INC() to avoid data-races

N/A
Published: December 24, 2025 at 01:05 PM UTC
Updated: June 17, 2026 at 05:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
2.6.37 ≤ v < 5.15.862.6.37 ≤ v < 6.0.162.6.37 ≤ v < 6.1.22.6.37 ≤ v < 6.22.6.378df40d1033d64597dcf1efd4f7547e817f7a953b
Vendor states this is fixed in 207501a986831174df09a36a8cb62a28f92f0dc8 (fixed)
Vendor states this is fixed in 222cc04356984f3f98acfa756a69d4bed7c501ac (fixed)
Vendor states this is fixed in 4eed93bb3e57b8cc78d17166a14e40a73276015a (fixed)
Vendor states this is fixed in cb34b7cf17ecf33499c9298943f85af247abc1e9 (fixed)
Vendor states this is fixed in 2.6.37 (unaffected)
Vendor states this is fixed in 5.15.86 (unaffected)
Vendor states this is fixed in 6.0.16 (unaffected)
Vendor states this is fixed in 6.1.2 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/207501a986831174df09a36a8cb62a28f92f0dc8
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/222cc04356984f3f98acfa756a69d4bed7c501ac
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4eed93bb3e57b8cc78d17166a14e40a73276015a
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cb34b7cf17ecf33499c9298943f85af247abc1e9

Quick Info

StatusDEFERRED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card