{"cve":"CVE-2025-37948","nvd":{"published":"2025-05-20T16:15:32.800","modified":"2026-06-17T09:15:45.267","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: bpf: Add BHB mitigation to the epilogue for cBPF programs\n\nA malicious BPF program may manipulate the branch history to influence\nwhat the hardware speculates will happen next.\n\nOn exit from a BPF program, emit the BHB mititgation sequence.\n\nThis is only applied for 'classic' cBPF programs that are loaded by\nseccomp.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735","https://git.kernel.org/stable/c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78","https://git.kernel.org/stable/c/42a20cf51011788f04cf2adbcd7681f02bdb6c27","https://git.kernel.org/stable/c/852b8ae934b5cbdc62496fa56ce9969aa2edda7f","https://git.kernel.org/stable/c/8fe5c37b0e08a97cf0210bb75970e945aaaeebab"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2025-37948","score":0.00204,"percentile":0.10352,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}