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 Ubuntu:13.04
xen
to version 4.2.2-0ubuntu0.13.04.2 or higher.
Note: Versions mentioned in the description apply only to the upstream xen
package and not the xen
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:13.04
relevant fixed versions and status.
The ocaml binding for the xc_vcpu_getaffinity function in Xen 4.2.x and 4.3.x frees certain memory that may still be intended for use, which allows local users to cause a denial of service (heap corruption and crash) and possibly execute arbitrary code via unspecified vectors that trigger a (1) use-after-free or (2) double free.