CVE-2024-58000

Local service interruption via speculative array indexing

Published Feb 27, 2025 · Updated May 11, 2026

Speculative execution in Linux kernel 6.13 through 6.13.1 allows local users to interrupt service through io_uring registered waits. The io_uring/io_uring.c registered-wait path uses a user-supplied offset to index a pre-mapped kernel region without constraining speculative execution to the valid io_uring_reg_wait range. Low-privileged local access and ENTER_EXT_ARG_REG are required; the published record does not identify the interruption as a crash, hang, or reboot.

CVSS severity5.5
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Speculative execution in Linux kernel 6.13 through 6.13.1 allows local users to interrupt service through io_uring registered waits. The io_uring/io_uring.c registered-wait path uses a user-supplied offset to index a pre-mapped kernel region without constraining speculative execution to the valid io_uring_reg_wait range. Low-privileged local access and ENTER_EXT_ARG_REG are required; the published record does not identify the interruption as a crash, hang, or reboot.

The record

CVE
CVE-2024-58000
Published
Feb 27, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 27, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=6.13
  2. Affected versionversion=aa00f67adc2c0d6439f81b5a81ff181377c47a7e <29b95ac917927ce9f95bf38797e16333ecb489b1
  3. Affected versionversion=aa00f67adc2c0d6439f81b5a81ff181377c47a7e <2a6de94df7bfa76d9850443547e7b3333f63a16a

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.13; version=aa00f67adc2c0d6439f81b5a81ff181377c47a7e <29b95ac917927ce9f95bf38797e16333ecb489b1; version=aa00f67adc2c0d6439f81b5a81ff181377c47a7e <2a6de94df7bfa76d9850443547e7b3333f63a16a

Published CVSS scores

5.5Canonical UbuntuCVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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