CVE-2026-92525Hinoki check available

Local kernel crash via unchecked RXE indexes

Published Sep 17, 2026 · Updated Sep 18, 2026

Out-of-bounds read in Linux kernel RXE allows local users to crash affected systems through a malformed user work queue entry. rxe_post_send skips validation for user queue pairs, so copy_data indexes wqe->dma.sge using attacker-controlled num_sge or cur_sge values. Access to an RXE user queue pair is required; an out-of-range index can trigger a kernel oops or panic and interrupt the host.

CVSS severity7.1
High
EPSS probability0.16%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Out-of-bounds read in Linux kernel RXE allows local users to crash affected systems through a malformed user work queue entry. rxe_post_send skips validation for user queue pairs, so copy_data indexes wqe->dma.sge using attacker-controlled num_sge or cur_sge values. Access to an RXE user queue pair is required; an out-of-range index can trigger a kernel oops or panic and interrupt the host.

The record

CVE
CVE-2026-92525
Published
Sep 17, 2026
Updated
Sep 18, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.8
  2. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <126c757e4cd46f866ddc283143b58eb4d9bf52cd
  3. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <13cb7160e5b791f5e3ecf9311cf32849fe7e9b62
  4. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <5ec111ddc1f727c1e4580aea459842ae5a8359a5
  5. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <69d3ccf6543f24c452a020c8028ca6f46cb1e8db
  6. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <750bba6ce9bb0b11d6a166031c9728ae3f21765e
  7. Affected versionversion=8700e3e7c4857d28ebaa824509934556da0b3e76 <c067aa7b231e91a18a1b3666201ab14dfb00347a

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.8; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <126c757e4cd46f866ddc283143b58eb4d9bf52cd; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <13cb7160e5b791f5e3ecf9311cf32849fe7e9b62; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <5ec111ddc1f727c1e4580aea459842ae5a8359a5; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <69d3ccf6543f24c452a020c8028ca6f46cb1e8db; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <750bba6ce9bb0b11d6a166031c9728ae3f21765e; version=8700e3e7c4857d28ebaa824509934556da0b3e76 <c067aa7b231e91a18a1b3666201ab14dfb00347a

Published CVSS scores

7.1Linux CNACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
5.5Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

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No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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