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-cross-headers
to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in ALSA-2023:7077
.
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers
package and not the kernel-cross-headers
package as distributed by AlmaLinux
.
See How to fix?
for AlmaLinux:8
relevant fixed versions and status.
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
If tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.
We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.