---
title: "CVE-2026-93148: Linux Kernel - Out-of-Bounds Memory Access"
description: "Linux kernel contains a memory access vulnerability caused by improper bounds checking in BPF MEM_ALLOC BTF accesses, letting attackers cause out-of-bounds memory access, exploit requires kernel-level code execution."
url: https://panop.io/threat-heartbeat/CVE-2026-93148/
---

# CVE-2026-93148 Linux Kernel - Out-of-Bounds Memory Access

Linux kernel contains a memory access vulnerability caused by improper bounds checking in BPF MEM\_ALLOC BTF accesses, letting attackers cause out-of-bounds memory access, exploit requires kernel-level code execution.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93148)

## Details

Type

Out-of-Bounds Memory Access

Impact

Denial Of Service

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 with the fix for BPF MEM\_ALLOC BTF access bounds checking.

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-2026-93148](https://nvd.nist.gov/vuln/detail/CVE-2026-93148)
- [https://git.kernel.org/stable/c/9c9ee0324c774490ae953162aaaf4561d222bd93](https://git.kernel.org/stable/c/9c9ee0324c774490ae953162aaaf4561d222bd93)
- [https://git.kernel.org/stable/c/e626a50d07d43421cbf7bfb5a084b33a5e276b6e](https://git.kernel.org/stable/c/e626a50d07d43421cbf7bfb5a084b33a5e276b6e)
- [https://git.kernel.org/stable/c/cf08ff2255de98cfcbc8bf7236fbeb38f0d5b4f1](https://git.kernel.org/stable/c/cf08ff2255de98cfcbc8bf7236fbeb38f0d5b4f1)

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## 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

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