Vulnerability in Linux
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.
EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.
Affected products
- Linux — versions 8df40d1033d64597dcf1efd4f7547e817f7a953b, 2.6.37, 0