Security vulnerability: Branch Privilege Injection aka CVE-2024-45332

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Environment

For a complete list of affected products please review the SUSE Security announcement.

Situation

Security researchers at ETH Zurich found a new Spectre v2 transitional execution attack in Intel CPUs.

By exploiting Branch Predictor Race Conditions (BPRC), where some branch predictions persist over switching privilege boundaries in the processor, it allowed attackers from lower privileged processes to read data of higher privileged ones.

Resolution

Existing mitigations need to be enhanced by updated Intel CPU Microcode, release 20250512 or higher.

Status

Security Alert

Additional Information

https://comsec.ethz.ch/research/microarch/branch-privilege-injection/
https://www.suse.com/security/cve/CVE-2024-45332
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html

Disclaimer

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