---
title: "CVE-2026-93137: Linux Kernel - Use After Free"
description: "Linux kernel contains a use-after-free vulnerability in bpf_find_vma() caused by accessing mm_struct without proper reference counting, letting attackers cause memory corruption, exploit requires executing BPF programs on foreign tasks."
url: https://panop.io/threat-heartbeat/CVE-2026-93137/
---

# CVE-2026-93137 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability in bpf\_find\_vma() caused by accessing mm\_struct without proper reference counting, letting attackers cause memory corruption, exploit requires executing BPF programs on foreign tasks.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93137)

## Details

Type

Use After Free

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

17 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for bpf\_find\_vma() use-after-free.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93137](https://nvd.nist.gov/vuln/detail/CVE-2026-93137)
- [https://git.kernel.org/stable/c/86d54cf069fc5ae2e111c87933bebf6eb527978e](https://git.kernel.org/stable/c/86d54cf069fc5ae2e111c87933bebf6eb527978e)
- [https://git.kernel.org/stable/c/8e1101fc4118019a69c96ced4aec93164f89cbd5](https://git.kernel.org/stable/c/8e1101fc4118019a69c96ced4aec93164f89cbd5)
- [https://git.kernel.org/stable/c/c7ad910e987008e125eeff448892e86852173384](https://git.kernel.org/stable/c/c7ad910e987008e125eeff448892e86852173384)
- [https://git.kernel.org/stable/c/db347840d6b6ee9bb9b8e4a985d4b4419f9f3200](https://git.kernel.org/stable/c/db347840d6b6ee9bb9b8e4a985d4b4419f9f3200)
- [https://git.kernel.org/stable/c/2b2a903bee56d312539046d9defa8023eec94760](https://git.kernel.org/stable/c/2b2a903bee56d312539046d9defa8023eec94760)
- [https://git.kernel.org/stable/c/47b079e2117a2ee52e21f8b72935900c702fc0b5](https://git.kernel.org/stable/c/47b079e2117a2ee52e21f8b72935900c702fc0b5)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)