CVE-2025-21728
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-21728
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21728.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-21728
- Downstream
- Related
- Published
- 2025-02-27T02:15:16Z
- Modified
- 2025-08-09T19:01:29Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf: Send signals asynchronously if !preemptible
BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpfsendsignal() kfunc, it will cause issues because this kfunc can sleep. Change
irqs_disabled()to!preemptible(). - References
-
- https://git.kernel.org/stable/c/092fc76b7ab4163e008f9cde596a58dad2108260
- https://git.kernel.org/stable/c/78b97783496b454435639937db3303e900a24d3f
- https://git.kernel.org/stable/c/87c544108b612512b254c8f79aa5c0a8546e2cc4
- https://git.kernel.org/stable/c/be42a09fe898635b0093c0c8dac1bfabe225c240
- https://git.kernel.org/stable/c/ce51eab2070e295d298f42a2f1db269cd1b56d55
- https://git.kernel.org/stable/c/e306eaaa3d78b462db5f5b11e0171f9d2b6ca3f4
- https://git.kernel.org/stable/c/eeef8e65041a031bd8a747a392c14b76a123a12c
- https://git.kernel.org/stable/c/feba1308bc5e8e04cee751d39fae8a9b407a9034