https://ubuntu.com/security/CVE-2025-39726 Halil Pasic (1): s390/ism: fix concurrency management in ism_cmd() drivers/s390/net/ism.h | 1 + drivers/s390/net/ism_drv.c | 3 +++ 2 files changed, 4 insertions(+) -- 2.53.0