CVE-2023-1838

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

CVSS 3.1

7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2023-04-05

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel
• netapp:h300s
• netapp:h410c
• netapp:h410s
• netapp:h500s
• netapp:h700s

References

• https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/
• https://security.netapp.com/advisory/ntap-20230517-0003/
• https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/
• https://security.netapp.com/advisory/ntap-20230517-0003/

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