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CVE-2021-4203 is a medium severity vulnerability with a CVSS score of 6.8. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
| Vendor | Product |
|---|---|
| Netapp | E Series Santricity Os Controller |
| Linux | Linux Kernel |
| Netapp | Active Iq Unified Manager |
| Netapp | H410c |
| Netapp | Element Software |
| Oracle | Communications Cloud Native Core Binding Support Function |
| Netapp | H500s Firmware |
| Netapp | Solidfire |
| Netapp | H410c Firmware |
| Oracle | Communications Cloud Native Core Network Exposure Function |
And 13 more...