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 Amazon-Linux:2023 kernel-livepatch-6.12.111-136.204 to version 1:1.0-0.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3193.
Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6.12.111-136.204 package and not the kernel-livepatch-6.12.111-136.204 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Add checking nr_subbufs to persistent ring buffer validation
Sashiko reported that the code was using meta->nr_subbufs without making sure that it matched the nr_pages + 1 on data that was assuming the two were the same.
Add a check to the persistent ring buffer validation code to make sure that the saved nr_subbufs matches what we expect.