VulnerabilityModified
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.
HIGH 7.1EPSS 0.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.25% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · netapp/h300s · netapp/h410c · netapp/h410s · netapp/h500s · netapp/h700s
- Source
- secalert@redhat.com
References
- https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230517-0003/Third Party Advisory, VDB Entry
- https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230517-0003/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.