CVE-2025-37963

arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users

Description

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users Support for eBPF programs loaded by unprivileged users is typically disabled. This means only cBPF programs need to be mitigated for BHB. In addition, only mitigate cBPF programs that were loaded by an unprivileged user. Privileged users can also load the same program via eBPF, making the mitigation pointless.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/038866e01ea5e5a3d948898ac216e531e7848669
https://git.kernel.org/stable/c/df53d418709205450a02bb4d71cbfb4ff86f2c1e
https://git.kernel.org/stable/c/6e52d043f7dbf1839a24a3fab2b12b0d3839de7a
https://git.kernel.org/stable/c/80251f62028f1ab2e09be5ca3123f84e8b00389a
https://git.kernel.org/stable/c/e5f5100f1c64ac6c72671b2cf6b46542fce93706
https://git.kernel.org/stable/c/477481c4348268136227348984b6699d6370b685
https://git.kernel.org/stable/c/f300769ead032513a68e4a02e806393402e626f8

Frequently Asked Questions

What is the severity of CVE-2025-37963?: CVE-2025-37963 has not yet been assigned a CVSS score.
How to fix CVE-2025-37963?: To fix CVE-2025-37963, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37963 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37963 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37963?: CVE-2025-37963 affects Linux Linux, Linux Linux.

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