CVE-2023-1838A 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.
Updated under an hour ago ()
Does this affect you?
It affects linux_kernel and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- 7.1 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 4.13 before 4.14.317; from 4.15 before 4.19.245; from 4.20 before 5.4.196; from 5.5 before 5.10.118; from 5.11 before 5.15.42; from 5.16 before 5.17.10 | NVD |
netapp h300s netapp:h300s | all versions | NVD |
netapp h410c netapp:h410c | all versions | NVD |
netapp h410s netapp:h410s | all versions | NVD |
netapp h500s netapp:h500s | all versions | NVD |
netapp h700s netapp:h700s | all versions | NVD |
References
- https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/
- https://security.netapp.com/advisory/ntap-20230517-0003/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.