The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Centos:8
kernel-rt-debug-core
to version 0:4.18.0-372.32.1.rt7.189.el8_6 or higher.
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core
package and not the kernel-rt-debug-core
package as distributed by Centos
.
See How to fix?
for Centos:8
relevant fixed versions and status.
Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.