An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value.
[bookworm] - linux <postponed> (Minor issue, revisit when fixed upstream) [bullseye] - linux <postponed> (Minor issue, revisit when fixed upstream) [buster] - linux <postponed> (Minor issue, revisit when fixed upstream) [stretch] - linux <not-affected> (Vulnerable code not present) [jessie] - linux <not-affected> (Vulnerable code not present)