VulnerabilityPublished 8 Oct 2026Updated 27 Oct 2026

CVE-2025-68296: linux-azure, linux-azure-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips vulnerabilities

Affects Linux kernelSource GCVE Database

Not known to be exploited · fixed in 6.8.0-1070.78~22.04.1 : patch Linux kernel soon.

Data as of 28 Oct 2026, 03:28 UTC

Severity

High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch: Available – fixed in 6.8.0-1070.78~22.04.1, 6.8.0-1068.75~22.04.1, 6.8.0-1070.78 +2

Exploitation evidence

Disclosed: evidence found.
CVE published 8 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

usn-8904-1

What to do

Upgrade to a fixed release listed under Affected software.

Patches and advisories

ubuntu.com/security/notices/USN-8904-1 (opens in a new tab)

Affected software

Product	Affected	Fixed in
Ubuntu 24.04 LTSlinux-azure`pkg:deb/ubuntu/linux-azure?arch=source&distro=noble`Other threats	Affected <6.8.0-1070.78	Fixed in 6.8.0-1070.78
Ubuntu 24.04 LTSlinux-azure-fde`pkg:deb/ubuntu/linux-azure-fde?arch=source&distro=noble`Other threats	Affected <6.8.0-1068.75	Fixed in 6.8.0-1068.75
Ubuntu Pro FIPS-updates 24.04 LTSlinux-azure-fips`pkg:deb/ubuntu/linux-azure-fips?arch=source&distro=fips-updates/noble`Other threats	Affected <6.8.0-1069.77+fips1	Fixed in 6.8.0-1069.77+fips1
Ubuntu 22.04 LTSlinux-azure-6.8`pkg:deb/ubuntu/linux-azure-6.8?arch=source&distro=jammy`Other threats	Affected <6.8.0-1070.78~22.04.1	Fixed in 6.8.0-1070.78~22.04.1
Ubuntu 22.04 LTSlinux-azure-fde-6.8`pkg:deb/ubuntu/linux-azure-fde-6.8?arch=source&distro=jammy`Other threats	Affected <6.8.0-1068.75~22.04.1	Fixed in 6.8.0-1068.75~22.04.1

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 kernel packages to the fixed versions listed in the Ubuntu security advisory USN-8904-1. 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. Users should follow the standard system update procedures and verify they are running the patched kernel versions.

Description

Multiple security vulnerabilities were discovered in the Linux kernel affecting numerous subsystems and architectures, including ARM, MIPS, x86, various device drivers, networking components, and filesystems. These flaws could potentially allow an attacker to compromise the system. The issues have been addressed in updated Linux kernel packages for the linux-azure-6.8 series and related variants. Users are advised to update to the fixed versions and reboot to apply the patches.

Impact

An attacker could potentially exploit these vulnerabilities to compromise the affected system. The broad range of affected subsystems increases the attack surface, potentially impacting system stability, confidentiality, or integrity. No known exploits in the wild have been reported at this time.

Summary

The Linux kernel for Microsoft Azure cloud systems (linux-azure-6.8 and related packages) contained multiple security vulnerabilities across a wide range of subsystems such as ARM32/ARM64/MIPS/x86 architectures, device drivers (GPU, USB, network, audio, etc.), networking protocols, filesystems, and kernel subsystems like memory management and signal handling. These vulnerabilities could be exploited by attackers to compromise system integrity or security. The issues have been fixed in specific updated kernel package versions as published by Ubuntu in security notice USN-8904-1.

References

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