CVE-2025-40001: linux, linux-raspi, linux-realtime vulnerabilities
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 6.17.0-14.14 : patch Linux kernel soon.
Data as of 3 Nov 2026, 17:31 UTC
Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
- Patch
- Available – fixed in 6.17.0-14.14, 6.17.0-1008.8, 6.17.0-1006.7
Exploitation evidence
Disclosed: evidence found.
CVE published 12 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 3 Nov 2026.
What to do
Upgrade the Ubuntu to 6.17.0-14.14 (linux package) or 6.17.0-1008.8 (linux-raspi package) or 6.17.0-1006.7 (linux-realtime package).
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 25.10linuxpkg:deb/ubuntu/linux?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-raspipkg:deb/ubuntu/linux-raspi?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-realtimepkg:deb/ubuntu/linux-realtime?arch=source&distro=questingOther threats | Affected
| Fixed in
|
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 should be applied promptly. Users should update their Linux kernel to the fixed versions 6.17.0-14.14, 6.17.0-1008.8, or 6.17.0-1006.7 as appropriate for their distribution. After updating, a system reboot is required to activate the fixes. Due to an ABI change, all third-party kernel modules must be recompiled and reinstalled to ensure compatibility. Follow the vendor advisory at https://ubuntu.com/security/notices/USN-8029-1 for detailed update instructions.
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 the system. The vulnerabilities impact numerous kernel components including architectures such as ARM64, x86, RISC-V, and drivers, filesystems, networking, and more. A patch has been released to address these flaws, and users are advised to update to the fixed kernel versions and reboot their systems.
References
- ubuntu.com/security/notices/USN-8029-1 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40001 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40002 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40003 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40004 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40029 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40030 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40031 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40032 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40033 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40034 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40035 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40036 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40037 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40038 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40039 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40040 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40042 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40043 (opens in a new tab)
- ubuntu.com/security/CVE-2025-40044 (opens in a new tab)