Use After Free in Linux Kernel
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.
Vulnerability class: Use-After-Free
EPSS: 0.003 (16.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Linux Linux_kernel
- Netapp H300s
- Netapp H410c
- Netapp H410s
- Netapp H500s
- Netapp H700s
- N/a Kernel — versions Linux Kernel prior to kernel 5.18 25
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-1838?
- CVE-2023-1838 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.1/10. Published 2023-04-05.
- How severe is CVE-2023-1838?
- High severity. CVSS v3 base score is 7.1 out of 10.