CVE-2026-74689

In the Linux kernel, the following vulnerability has been resolved: net/atm: fix slab-out-of-bounds read in vccsetsockopt vccsetsockopt contained an ineffective optlen check: if SOLEVELMATCHoptname, level && optlen != SOSIZEoptname return -EINVAL; If SOLEVELMATCHoptname, level evaluated to false...

EUVD-2026-64376

In the Linux kernel, the following vulnerability has been resolved: net/atm: fix slab-out-of-bounds read in vccsetsockopt vccsetsockopt contained an ineffective optlen check: if SOLEVELMATCHoptname, level && optlen != SOSIZEoptname return -EINVAL; If SOLEVELMATCHoptname, level evaluated to false...

CVE-2026-74689 net/atm: fix slab-out-of-bounds read in vcc_setsockopt()

In the Linux kernel, the following vulnerability has been resolved: net/atm: fix slab-out-of-bounds read in vccsetsockopt vccsetsockopt contained an ineffective optlen check: if SOLEVELMATCHoptname, level && optlen != SOSIZEoptname return -EINVAL; If SOLEVELMATCHoptname, level evaluated to false...

CVE-2026-74689

CVE-2026-74689 is a slab-out-of-bounds read in the Linux kernel's net/atm subsystem, specifically in vcc_setsockopt(). The root cause is an ineffective optlen validation: when __SO_LEVEL_MATCH(optname, level) evaluates to false, the length check is short-circuited and bypassed, allowing copy_from...