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VulnerabilityPublished Updated

CVE-2025-54505: linux, linux-aws, linux-gcp, linux-ibm, linux-oracle, linux-realtime vulnerabilities

Affects Linux kernelSource GCVE Database

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Authoritative record:CVE-2025-54505· Low 2.0

Not known to be exploited · CVSS 2.0 Low · fixed in 7.0.0-27.27 : update Linux kernel when convenient.

Data as of 5 Nov 2026, 00:01 UTC

CVSS 4.0 base score
2.0Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 7.0.0-27.27, 7.0.0-1008.8, 7.0.0-1007.7 +2
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Apr 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 4 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-27.27
Fixed in
  • 7.0.0-27.27
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-1008.8
Fixed in
  • 7.0.0-1008.8
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-1007.7
Fixed in
  • 7.0.0-1007.7
Ubuntu 26.04 LTSlinux-ibmpkg:deb/ubuntu/linux-ibm?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-1009.9
Fixed in
  • 7.0.0-1009.9
Ubuntu 26.04 LTSlinux-oraclepkg:deb/ubuntu/linux-oracle?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-1007.7
Fixed in
  • 7.0.0-1007.7
Ubuntu 26.04 LTSlinux-realtimepkg:deb/ubuntu/linux-realtime?arch=source&distro=resoluteOther threatsAffected
  • <7.0.0-27.27.1
Fixed in
  • 7.0.0-27.27.1

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 should be applied by updating to the fixed Linux kernel versions listed in the Ubuntu security advisory USN-8488-1. After updating, a system reboot is required to apply all changes. Due to an ABI change in the kernel update, third-party kernel modules must be recompiled and reinstalled. Users should follow the vendor's update instructions carefully to ensure full remediation.

Description

Multiple security vulnerabilities were discovered in the Linux kernel affecting numerous subsystems and architectures, including a speculative execution flaw in some AMD processors' floating point divider unit that could expose sensitive information to local attackers. These issues could potentially allow attackers to compromise affected systems. The vulnerabilities impact a wide range of kernel components such as architectures (ARM64, x86), device drivers, filesystems, networking, security modules, and more. Fixes have been released in updated Linux kernel versions.

References

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