CVE-2026-43030
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 95b6ec733752b31bfd166c4609d2c1b5cdde9b47 < b52f6d0ef7b308f9d05bbddb78749852f28e8e40 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < 37db6b9726d0bcf91cbdf9d63b558c50da49f968 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < 015a74476dc1ab6923d89f1ee009aaf43faa7185 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < b99d82706bd1511bb875e3de7154698fd9215c99 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < 7241da033fdc507b920e092dab1f97b945cb0370 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < 8aebe18069394f4a79d2d82080a0f806da449996 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < ca995b1462ec6db1e869100ba1fb7356bd3f22f0 | affected |
| Linux | Linux | 6d94e741a8ff818e5518da8257f5ca0aaed1f269 < a8502a79e832b861e99218cbd2d8f4312d62e225 | affected |
| Linux | Linux | 5.10.155 < 5.10.253 | affected |
| Linux | Linux | 5.11 | affected |
| Linux | Linux | 0 < 5.11 | unaffected |
| Linux | Linux | 5.10.253 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.203 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.168 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.134 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.81 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.22 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.12 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40
- https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968
- https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185
- https://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99
- https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370
- https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996
- https://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0
- https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225
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