Linux kernel (netfilter): Integer overflow in nft_payload_copy_vlan - stack leak plus local privilege escalation

CVE-2023-0179Kernel, userspace & hypervisorcurated

Impact

Integer overflow in nft_payload_copy_vlan - stack leak plus local privilege escalation

Who can reach it

Any tenant process in a container with CAP_NET_ADMIN in a userns

What to do

Livepatchable; otherwise drain + reboot

References

https://access.redhat.com/security/cve/CVE-2023-0179

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.