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:2
kernel
to version 0:4.14.268-205.500.amzn2 or higher.
This issue was patched in ALAS2-2022-1761
.
Note: Versions mentioned in the description apply only to the upstream kernel
package and not the kernel
package as distributed by Amazon-Linux
.
See How to fix?
for Amazon-Linux:2
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
tipc: improve size validations for received domain records
The function tipc_mon_rcv() allows a node to receive and process domain_record structs from peer nodes to track their views of the network topology.
This patch verifies that the number of members in a received domain record does not exceed the limit defined by MAX_MON_DOMAIN, something that may otherwise lead to a stack overflow.
tipc_mon_rcv() is called from the function tipc_link_proto_rcv(), where we are reading a 32 bit message data length field into a uint16. To avert any risk of bit overflow, we add an extra sanity check for this in that function. We cannot see that happen with the current code, but future designers being unaware of this risk, may introduce it by allowing delivery of very large (> 64k) sk buffers from the bearer layer. This potential problem was identified by Eric Dumazet.
This fixes CVE-2022-0435