CVE-2026-43030

HIGH

bpf: Fix regsafe() for pointers to packet

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0014
EPSS Percentile 3.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (27)
linux/Kernel < 5.10.253linux
linux/Kernel 5.11.0 - 6.1.168linux
linux/Kernel 5.16.0 - 6.6.134linux
linux/Kernel 6.13.0 - 6.19.12linux
linux/Kernel 6.2.0 - 6.12.81linux
linux/Kernel 6.7.0 - 6.18.22linux
Linux/Linux < 5.11
Linux/Linux 5.10.155 - 5.10.253
Linux/Linux 5.10.253 - 5.10.*
Linux/Linux 5.11
... and 17 more
Published May 01, 2026
Tracked Since May 01, 2026