CVE-2023-22997 Null dereference in n/a

What is CVE-2023-22997?

CVE-2023-22997 is a medium-severity vulnerability in Linux kernel, published on 28 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Weakness: CWE-476

Which versions are affected by CVE-2023-22997?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-22997?

Apply the vendor's patch.

Is CVE-2023-22997 being exploited?

There is no known exploitation of CVE-2023-22997 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-13824, DEBIAN-CVE-2023-22997, GHSA-c954-449c-8jv4, UBUNTU-CVE-2023-22997.