vulnerability
Red Hat: CVE-2025-37948: kernel: arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:S/C:P/I:N/A:N) | May 20, 2025 | Jul 9, 2025 | Jul 10, 2025 |
Severity
2
CVSS
(AV:L/AC:M/Au:S/C:P/I:N/A:N)
Published
May 20, 2025
Added
Jul 9, 2025
Modified
Jul 10, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs
A malicious BPF program may manipulate the branch history to influence
what the hardware speculates will happen next.
On exit from a BPF program, emit the BHB mititgation sequence.
This is only applied for 'classic' cBPF programs that are loaded by
seccomp.
Solution
no-fix-redhat-rpm-package
References
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