CVE-2023-53290 samples/bpf: Fix fout leak in hbm's run_bpf_prog

What is CVE-2023-53290?

CVE-2023-53290 is a medium-severity vulnerability in Linux kernel, published on 16 Sep 2025. 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:

samples/bpf: Fix fout leak in hbm's run_bpf_prog

Fix fout being fopen'ed but then not subsequently fclose'd. In the affected branch, fout is otherwise going out of scope.

Weakness: CWE-401

Which versions are affected by CVE-2023-53290?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53290?

Apply the vendor's patch.

Is CVE-2023-53290 being exploited?

There is no known exploitation of CVE-2023-53290 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 BELL-CVE-2023-53290, DEBIAN-CVE-2023-53290, GHSA-6w76-jqm9-9q43, UBUNTU-CVE-2023-53290.