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CVE-2026-43030

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet In case

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.

HIGH · CVSS 7.8 EPSS 0.00015
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

8
linux kernel>= 5.10.155 and < 5.10.253
linux kernel>= 5.11 and < 5.15.203
linux kernel>= 5.16 and < 6.1.168
linux kernel>= 6.2 and < 6.6.134
linux kernel>= 6.7 and < 6.12.81
linux kernel>= 6.13 and < 6.18.22
linux kernel>= 6.19 and < 6.19.12
linux kernelall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 May 2026 · 03:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185Patch
https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968Patch
https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370Patch
https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996Patch
https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225Patch
https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40Patch
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