CVE-2026-43030

High

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet In case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N regsafe() may return true which may lead to current state with valid packet range not being explored. Fix the bug.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedMay 1, 2026
First seenMay 1, 2026
Weakness typeCWE-682CWE-682

How to fix

Update
  • linux linux_kernel5.10.253, 5.15.203, 6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.10.155 ≤ v < 5.10.253, 5.11 ≤ v < 5.15.203, 5.16 ≤ v < 6.1.168, 6.2 ≤ v < 6.6.134, 6.7 ≤ v < 6.12.81, 6.13 ≤ v < 6.18.22, 6.19 ≤ v < 6.19.12, 7.05.10.253, 5.15.203, 6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12

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