CVE-2025-37948

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.

Reserved 2025-04-16 | Published 2025-05-20 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 8fe5c37b0e08a97cf0210bb75970e945aaaeebab
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 42a20cf51011788f04cf2adbcd7681f02bdb6c27
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 852b8ae934b5cbdc62496fa56ce9969aa2edda7f
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0dfefc2ea2f29ced2416017d7e5b1253a54c2735
affected

Default status
affected

6.1.139
unaffected

6.6.91
unaffected

6.12.29
unaffected

6.14.7
unaffected

6.15
unaffected

References

git.kernel.org/...c/8fe5c37b0e08a97cf0210bb75970e945aaaeebab

git.kernel.org/...c/42a20cf51011788f04cf2adbcd7681f02bdb6c27

git.kernel.org/...c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78

git.kernel.org/...c/852b8ae934b5cbdc62496fa56ce9969aa2edda7f

git.kernel.org/...c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735

cve.org (CVE-2025-37948)

nvd.nist.gov (CVE-2025-37948)

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