CVE-2025-37948
arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.7
References 7
git.kernel.org
- stable/c/c6a8735d841bcb7649734bb3a787bb174c67c0d8
- stable/c/993f63239c219696aef8887a4e7d3a16bf5a8ece
- stable/c/8fe5c37b0e08a97cf0210bb75970e945aaaeebab
- stable/c/42a20cf51011788f04cf2adbcd7681f02bdb6c27
- stable/c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78
- stable/c/852b8ae934b5cbdc62496fa56ce9969aa2edda7f
- stable/c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735