CVE-2023-1838

High

Description

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductLinux Kernel
PublishedApr 5, 2023
First seenApr 5, 2023

How to fix

Update
  • linux linux_kernel4.14.317, 4.19.245, 5.4.196, 5.10.118, 5.15.42, 5.17.10 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel4.13 ≤ v < 4.14.317, 4.15 ≤ v < 4.19.245, 4.20 ≤ v < 5.4.196, 5.5 ≤ v < 5.10.118, 5.11 ≤ v < 5.15.42, 5.16 ≤ v < 5.17.104.14.317, 4.19.245, 5.4.196, 5.10.118, 5.15.42, 5.17.10
netapp h300sNo range specified—
netapp h410cNo range specified—
netapp h410sNo range specified—
netapp h500sNo range specified—
netapp h700sNo range specified—

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