Nhat Pham

**Name of the Vulnerable Software and Affected Versions** Linux kernel (affected versions not specified) **Description** The issue is related to a NULL pointer dereference in the zswap shrinker when memcg is disabled with the boot time flag. This can cause the zswap shrinker to be called with `sc->memcg` equal to NULL, leading to a crash in `memcg page state()`. The problem is specific to the non-node accounting of cgroup's zswap memory. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.