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CVE-2026-52985

MEDIUM CVSS: 5.5 Published: 2026-06-24 Modified: 2026-07-14

Description

In the Linux kernel, the following vulnerability has been resolved: netdevsim: zero initialize struct iphdr in dummy sk_buff Syzbot reports a KMSAN uninit-value originating from nsim_dev_trap_skb_build, with the allocation also being performed in the same function. Fix this by calling skb_put_zero instead of skb_put to guarantee zero initialization of the whole IP header.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-908

References