CVE-2026-43030
Published: May 2, 2026Last modified: May 2, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.168-r0) |
| 25 LTS | linux-lts | Fixed (6.12.81-r0) | |
| Stream | linux-lts | Fixed (6.12.85-r0) |
References
- https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185
- https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968
- https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370
- https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996
- https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225
- https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40
- https://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99
- https://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0