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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Start learningUpgrade SLES:15.0
xen-devel
to version 4.10.4_24-3.53.1 or higher.
Note: Versions mentioned in the description apply only to the upstream xen-devel
package and not the xen-devel
package as distributed by SLES
.
See How to fix?
for SLES:15.0
relevant fixed versions and status.
An issue was discovered in Xen through 4.14.x. Recording of the per-vCPU control block mapping maintained by Xen and that of pointers into the control block is reversed. The consumer assumes, seeing the former initialized, that the latter are also ready for use. Malicious or buggy guest kernels can mount a Denial of Service (DoS) attack affecting the entire system.