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 AlmaLinux:8
kernel-zfcpdump-modules
to version 0:4.18.0-553.16.1.el8_10 or higher.
This issue was patched in ALSA-2024:5101
.
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules
package and not the kernel-zfcpdump-modules
package as distributed by AlmaLinux
.
See How to fix?
for AlmaLinux:8
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm: Don't unref the same fb many times by mistake due to deadlock handling
If we get a deadlock after the fb lookup in drm_mode_page_flip_ioctl() we proceed to unref the fb and then retry the whole thing from the top. But we forget to reset the fb pointer back to NULL, and so if we then get another error during the retry, before the fb lookup, we proceed the unref the same fb again without having gotten another reference. The end result is that the fb will (eventually) end up being freed while it's still in use.
Reset fb to NULL once we've unreffed it to avoid doing it again until we've done another fb lookup.
This turned out to be pretty easy to hit on a DG2 when doing async flips (and CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y). The first symptom I saw that drm_closefb() simply got stuck in a busy loop while walking the framebuffer list. Fortunately I was able to convince it to oops instead, and from there it was easier to track down the culprit.