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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-37948

arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < c6a8735d841bcb7649734bb3a787bb174c67c0d8affected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 993f63239c219696aef8887a4e7d3a16bf5a8eceaffected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 8fe5c37b0e08a97cf0210bb75970e945aaaeebabaffected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 42a20cf51011788f04cf2adbcd7681f02bdb6c27affected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78affected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 852b8ae934b5cbdc62496fa56ce9969aa2edda7faffected
  • 0be7320a635c2e434e8b67e0e9474a85ceb421c4 to < 0dfefc2ea2f29ced2416017d7e5b1253a54c2735affected

Linux Linux

Default version status: affected

  • 3.7affected
  • 0 to < 3.7unaffected
  • 5.10.239 to ≤ 5.10.*unaffected
  • 5.15.186 to ≤ 5.15.*unaffected
  • 6.1.139 to ≤ 6.1.*unaffected
  • 6.6.91 to ≤ 6.6.*unaffected
  • 6.12.29 to ≤ 6.12.*unaffected
  • 6.14.7 to ≤ 6.14.*unaffected
  • 6.15 to ≤ *unaffected

References