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 applicationsThere is no fixed version for RHEL:9
kernel-zfcpdump-modules-internal
.
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules-internal
package and not the kernel-zfcpdump-modules-internal
package as distributed by RHEL
.
See How to fix?
for RHEL:9
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_inner: incorrect percpu area handling under softirq
Softirq can interrupt ongoing packet from process context that is walking over the percpu area that contains inner header offsets.
Disable bh and perform three checks before restoring the percpu inner header offsets to validate that the percpu area is valid for this skbuff:
If the NFT_PKTINFO_INNER_FULL flag is set on, then this skbuff has already been parsed before for inner header fetching to register.
Validate that the percpu area refers to this skbuff using the skbuff pointer as a cookie. If there is a cookie mismatch, then this skbuff needs to be parsed again.
Finally, validate if the percpu area refers to this tunnel type.
Only after these three checks the percpu area is restored to a on-stack copy and bh is enabled again.
After inner header fetching, the on-stack copy is stored back to the percpu area.