CVE-2026-93147
s390/bpf: Replace ly instruction with llgf
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Replace ly instruction with llgf cpu_nr is a 32 bit value and BPF_REG_0 is a 64 bit register, when ly loads the cpu_nr into BPF_REG_0 it does not zero the upper bits, but llgf does.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 17, 2026 |
| Last Updated | Oct 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
9012cf2491e3c5d28d098b0d6da804af82977032 < 88500a86ab79f01c568de6ed00f5b1c5c79f11d5 9012cf2491e3c5d28d098b0d6da804af82977032 < 5f6cc299938b561cb01e343bab7042611fcee12a
Linux / Linux
7.2