7.1

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.

Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.13 < 4.14.317
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.245
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.196
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.118
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.42
Linux ≫ Linux Kernel Version >= 5.16 < 5.17.10
Netapp ≫ H300s Version-
Netapp ≫ H410c Version-
Netapp ≫ H410s Version-
Netapp ≫ H500s Version-
Netapp ≫ H700s Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.01% 0.005
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.