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CVE-2026-43030

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CVE-2026-43030

Published: May 1, 2026

Modified: May 23, 2026

PUBLISHED

CVSS v3.1

7.8

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.

VendorProductVersions

Linux

Linux

affected
95b6ec733752b31bfd166c4609d2c1b5cdde9b47 - < b52f6d0ef7b308f9d05bbddb78749852f28e8e40
affected
6d94e741a8ff818e5518da8257f5ca0aaed1f269 - < 37db6b9726d0bcf91cbdf9d63b558c50da49f968
affected
6d94e741a8ff818e5518da8257f5ca0aaed1f269 - < 015a74476dc1ab6923d89f1ee009aaf43faa7185
affected
6d94e741a8ff818e5518da8257f5ca0aaed1f269 - < b99d82706bd1511bb875e3de7154698fd9215c99
affected
6d94e741a8ff818e5518da8257f5ca0aaed1f269 - < 7241da033fdc507b920e092dab1f97b945cb0370

+4 more versions

Linux

Linux

affected
5.11
unaffected
0 - < 5.11
unaffected
5.10.253 - <= 5.10.*
unaffected
5.15.203 - <= 5.15.*
unaffected
6.1.168 - <= 6.1.*

+5 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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