CVE-2026-53261

A flaw was found in the devlink component of the Linux kernel. This issue occurs when a devlink instance acquires a nested relation but fails to register, leading to a resource leak. This can result in system instability or a denial of service DoS over time due to resource exhaustion...

CVE-2026-53261

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

UBUNTU-CVE-2026-53261

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

CVE-2026-53261

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

CVE-2026-53261

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

EUVD-2026-39212

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

CVE-2026-53261 devlink: Release nested relation on devlink free

In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devlunregister, which calls devlinkrelput. This misses devlink instances that get a nested relation before registration and then fa...

CVE-2026-53261

The CVE-2026-53261 issue affects the Linux kernel devlink path: when a devlink instance obtains a nested relation before registration and probe later fails, devl_unregister() does not run for an unregistered instance, leaking devlink->rel. The fix releases any pending relation from devlink_fre...