CVE-2026-80980 net/smc: stop killed, freed and out_of_sync sharing a byte

In the Linux kernel, the following vulnerability has been resolved: net/smc: stop killed, freed and outofsync sharing a byte The three connection state flags are single-bit bitfields, so they occupy one byte of struct smcconnection and every store to one is a read-modify-write of the other two: u...

CVE-2026-80980

CVE-2026-80980 affects the Linux kernel 's net/smc (Shared Memory Communications) subsystem. Three connection-state flags—killed, freed, and out_of_sync—are declared as single-bit bitfields sharing one byte in struct smc_connection. Because they are written from different contexts without a commo...