CVE-2026-53128 drbd: Balance RCU calls in drbd_adm_dump_devices()
A missing RCU lock in the DRBD module can lead to race conditions, potentially causing system instability or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53128?
CVE-2026-53128 is a medium-severity vulnerability in Linux kernel, published on 24 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drbd: Balance RCU calls in drbd_adm_dump_devices()
Make drbd_adm_dump_devices() call rcu_read_lock() before rcu_read_unlock() is called. This has been detected by the Clang thread-safety analyzer.
Which versions are affected by CVE-2026-53128?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-53128?
Apply the vendor's patch.
Is CVE-2026-53128 being exploited?
There is no known exploitation of CVE-2026-53128 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-53128, DEBIAN-CVE-2026-53128, GHSA-gp4w-ghc6-9x53, ROOT-OS-DEBIAN-11-CVE-2026-53128, ROOT-OS-DEBIAN-12-CVE-2026-53128, ROOT-OS-UBUNTU-2204-CVE-2026-53128 and 2 more.