CVE-2026-97544 xfs: don't leak dqacct if rhashtable insertion fails
A memory leak in the Linux kernel XFS filesystem allows local attackers to cause denial of service by exhausting memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-97544?
CVE-2026-97544 is a memory corruption vulnerability in Linux, published on 25 Sep 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:
xfs: don't leak dqacct if rhashtable insertion fails
LOLLM observes that xqcheck_mod_live_ino_dqtrx doesn't free the newly allocated dqa object if rhashtable insertion fails. Fix this leak.
Which versions are affected by CVE-2026-97544?
How do I fix CVE-2026-97544?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-97544 being exploited?
There is no known exploitation of CVE-2026-97544 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-97544, DEBIAN-CVE-2026-97544, GHSA-8975-ww78-47hf, UBUNTU-CVE-2026-97544.