CVE-2026-52932 xfrm: ipcomp: Free destination pages on acomp errors
A memory leak in the Linux kernel's IPComp implementation allows attackers to cause denial of service by triggering compression errors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-52932?
CVE-2026-52932 is a high-severity memory corruption vulnerability in Linux kernel, published on 24 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
xfrm: ipcomp: Free destination pages on acomp errors
Move the out_free_req label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success.
Which versions are affected by CVE-2026-52932?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-52932?
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-2026-52932 being exploited?
There is no known exploitation of CVE-2026-52932 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-52932, DEBIAN-CVE-2026-52932, GHSA-jvgr-44j9-74mp, UBUNTU-CVE-2026-52932.