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 applicationsThere is no fixed version for Centos:7
kernel-rt-debug-kvm
.
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm
package and not the kernel-rt-debug-kvm
package as distributed by Centos
.
See How to fix?
for Centos:7
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
sched/eevdf: Prevent vlag from going out of bounds in reweight_eevdf()
It was possible to have pick_eevdf() return NULL, which then causes a NULL-deref. This turned out to be due to entity_eligible() returning falsely negative because of a s64 multiplcation overflow.
Specifically, reweight_eevdf() computes the vlag without considering the limit placed upon vlag as update_entity_lag() does, and then the scaling multiplication (remember that weight is 20bit fixed point) can overflow. This then leads to the new vruntime being weird which then causes the above entity_eligible() to go side-ways and claim nothing is eligible.
Thus limit the range of vlag accordingly.
All this was quite rare, but fatal when it does happen.