Linux kernel (nf_tables): Heap overflow in nft_set_elem_init() - local root, weaponised inside containers

CVE-2022-34918Kernel, userspace & hypervisorcurated

Impact

Heap overflow in nft_set_elem_init() - local root, weaponised inside containers

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-2022-34918

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.