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VulnerabilityPublished Updated

CVE-2024-36347: linux-gcp, linux-gcp-6.17 vulnerabilities

Affects Linux kernelSource GCVE Database

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Authoritative record:CVE-2024-36347· Medium 6.4

Not known to be exploited · CVSS 6.4 Medium · fixed in 6.17.0-1012.12~24.04.1 : update Linux kernel when convenient.

Data as of 3 Nov 2026, 17:32 UTC

CVSS 3.1 base score
6.4Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 6.17.0-1012.12~24.04.1, 6.17.0-1012.12
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Upgrade the Ubuntu to 6.17.0-1012.12~24.04.1 (linux-gcp-6.17 package) or 6.17.0-1012.12 (linux-gcp package).

Affected software

ProductAffectedFixed in
Ubuntu 25.10linux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=questingOther threatsAffected
  • <6.17.0-1012.12
Fixed in
  • 6.17.0-1012.12
Ubuntu 24.04 LTSlinux-gcp-6.17pkg:deb/ubuntu/linux-gcp-6.17?arch=source&distro=nobleOther threatsAffected
  • <6.17.0-1012.12~24.04.1
Fixed in
  • 6.17.0-1012.12~24.04.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A patch is available and users should update their linux-gcp kernel packages to version 6.17.0-1012.12 or later (including 6.17.0-1012.12~24.04.1 for Ubuntu 24.04 LTS). After updating, a system reboot is required to apply the fixes. Due to an ABI change, third-party kernel modules must be recompiled and reinstalled. Follow the official Ubuntu security notice USN-8183-1 for detailed update instructions.

Description

Multiple security vulnerabilities were discovered in the Linux kernel for Google Cloud Platform (linux-gcp-6.17), including a critical flaw named EntrySign affecting some AMD Zen processors. EntrySign involves improper verification of CPU microcode signatures, allowing a privileged attacker to load malicious microcode, potentially compromising system integrity and confidentiality. Additionally, numerous other vulnerabilities affect a wide range of kernel subsystems and drivers. These issues could allow attackers to compromise affected systems. Fixes have been released and are available in updated linux-gcp kernel packages.

References

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