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CVE-2025-40005VulnerabilityPublished Updated

linux, linux-aws, linux-aws-fips, linux-gcp, linux-gcp-fips, linux-ibm, linux-nvidia, linux-nvidia-6.8, linux-oracle

Affects Linux kernelSource GCVE Database

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Not known to be exploited · fixed in 6.8.0-1058.61~22.04.1 : patch Linux kernel soon.

Data as of 3 Nov 2026, 17:35 UTC

Severity
High

Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Patch
Available – fixed in 6.8.0-1058.61~22.04.1, 6.8.1-1055.56~22.04.1, 6.8.0-134.134 +8

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Jul 2026

  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 to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-134.134
Fixed in
  • 6.8.0-134.134
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1060.63
Fixed in
  • 6.8.0-1060.63
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1063.69
Fixed in
  • 6.8.0-1063.69
Ubuntu 24.04 LTSlinux-ibmpkg:deb/ubuntu/linux-ibm?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1060.61
Fixed in
  • 6.8.0-1060.61
Ubuntu 24.04 LTSlinux-nvidiapkg:deb/ubuntu/linux-nvidia?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1058.61
Fixed in
  • 6.8.0-1058.61
Ubuntu 24.04 LTSlinux-oraclepkg:deb/ubuntu/linux-oracle?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1057.58
Fixed in
  • 6.8.0-1057.58

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 to the fixed Linux kernel versions as listed in the Ubuntu advisory USN-8492-1. After updating, a system reboot is required to apply the fixes. Due to ABI changes, recompilation and reinstallation of third-party kernel modules is necessary. Follow the vendor's update instructions carefully to ensure full remediation.

Description

Multiple security vulnerabilities were discovered in the Linux kernel affecting a wide range of subsystems and architectures. These issues could potentially allow an attacker to compromise affected systems. The vulnerabilities impact numerous kernel components including architectures (ARM64, MIPS, PowerPC, x86), device drivers, filesystems, networking, security modules, and more. A comprehensive update has been released to address these flaws.

References

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