CVE-2024-26648

Local system crash via premature pointer dereference

Published Mar 26, 2024 · Updated May 11, 2026

NULL-pointer dereference in Linux kernel 6.6 through 6.6.14 and 6.7 through 6.7.2 allows local users to crash the system. edp_setup_replay() reads link->ctx->dc before checking link for NULL, then derives replay from dc before checking replay. Local access with low privileges is required; the public record describes no trigger beyond reaching this AMD display replay path.

CVSS severity5.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL-pointer dereference in Linux kernel 6.6 through 6.6.14 and 6.7 through 6.7.2 allows local users to crash the system. edp_setup_replay() reads link->ctx->dc before checking link for NULL, then derives replay from dc before checking replay. Local access with low privileges is required; the public record describes no trigger beyond reaching this AMD display replay path.

The record

CVE
CVE-2024-26648
Published
Mar 26, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 26, 2024CVE 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

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=6.6
  2. Affected versionversion=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <22ae604aea14756954e1c00ae653e34d2afd2935
  3. Affected versionversion=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <7073934f5d73f8b53308963cee36f0d389ea857c
  4. Affected versionversion=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <c02d257c654191ecda1dc1af6875d527e85310e7

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.6; version=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <22ae604aea14756954e1c00ae653e34d2afd2935; version=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <7073934f5d73f8b53308963cee36f0d389ea857c; version=c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 <c02d257c654191ecda1dc1af6875d527e85310e7

Published CVSS scores

5.5CISA-ADPCVSS: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

CWE-476NULL Pointer Dereference
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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