---
title: "CVE-2026-93260: Linux kernel powerpc/xive - Use After Free"
description: "Linux kernel powerpc/xive contains a use-after-free caused by improper error handling in xive_init_ipis and xive_smp_probe, letting attackers cause memory corruption, exploit requires kernel-level code execution."
url: https://panop.io/threat-heartbeat/CVE-2026-93260/
---

# CVE-2026-93260 Linux kernel powerpc/xive - Use After Free

Linux kernel powerpc/xive contains a use-after-free caused by improper error handling in xive\_init\_ipis and xive\_smp\_probe, letting attackers cause memory corruption, exploit requires kernel-level code execution.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93260)

## Details

Type

Use After Free

Impact

Use After Free

CVSS vector

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

Published

24 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix.

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-2026-93260](https://nvd.nist.gov/vuln/detail/CVE-2026-93260)
- [https://git.kernel.org/stable/c/c554a8d376d5aea1b237ed6bef6f9fbfc550e67f](https://git.kernel.org/stable/c/c554a8d376d5aea1b237ed6bef6f9fbfc550e67f)
- [https://git.kernel.org/stable/c/5c9ab0c9cede9f149733d330e2d7d45341b71359](https://git.kernel.org/stable/c/5c9ab0c9cede9f149733d330e2d7d45341b71359)
- [https://git.kernel.org/stable/c/411a3c016e7a95f5fa105a0587e07d0647a77727](https://git.kernel.org/stable/c/411a3c016e7a95f5fa105a0587e07d0647a77727)

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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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