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 Rocky-Linux:9
kernel-zfcpdump
to version 0:5.14.0-427.35.1.el9_4 or higher.
This issue was patched in RLSA-2024:6567
.
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump
package and not the kernel-zfcpdump
package as distributed by Rocky-Linux
.
See How to fix?
for Rocky-Linux:9
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
mm: cachestat: fix folio read-after-free in cache walk
In cachestat, we access the folio from the page cache's xarray to compute its page offset, and check for its dirty and writeback flags. However, we do not hold a reference to the folio before performing these actions, which means the folio can concurrently be released and reused as another folio/page/slab.
Get around this altogether by just using xarray's existing machinery for the folio page offsets and dirty/writeback states.
This changes behavior for tmpfs files to now always report zeroes in their dirty and writeback counters. This is okay as tmpfs doesn't follow conventional writeback cache behavior: its pages get "cleaned" during swapout, after which they're no longer resident etc.