VDB
CVE-2026-53110
CVE-2026-53110
PUBLISHED
CVSS 7.8 HIGH
Reported by Linux · Published June 24, 2026
In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Zero-extend bpf prog return values and kfunc arguments s390x ABI requires callers to zero-extend unsigned arguments and sign-extend signed arguments, and callees to zero-extend unsigned return values and sign-extend signed return values. s390 BPF JIT currently implements only sign extension. Fix this omission and implement zero extension too.
EPSS 0.16% · 5.1th percentile
Risk Scores
CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.16%
5.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 528eb2cb87bc1353235a6384696b4849bde8b0ba, 528eb2cb87bc1353235a6384696b4849bde8b0ba, 528eb2cb87bc1353235a6384696b4849bde8b0ba |
| Linux | Linux | 6.3, 0, 6.6.141 |
| Linux | Linux | 7.1, 528eb2cb87bc1353235a6384696b4849bde8b0ba, 528eb2cb87bc1353235a6384696b4849bde8b0ba |
| linux | linux_kernel | 6.3, 6.3, 6.3 |
Timeline
- Jun 24, 2026 CVE Published
- Jun 25, 2026 EPSS Score
- Jun 25, 2026 Coalition ESS Score
- Jun 28, 2026 CVE Updated