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CVE-2024-50304VulnerabilityPublished Updated

linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield

Affects Linux kernelSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · fixed in 5.4.0-1158.168~18.04.1 : update Linux kernel when convenient.

Data as of 29 Oct 2026, 22:33 UTC

Severity
Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

Patch
Available – fixed in 5.4.0-1158.168~18.04.1, 5.4.0-1162.168~18.04.1, 5.4.0-1161.170~18.04.1 +17

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 May 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 29 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Ubuntu Pro 20.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-229.249
Fixed in
  • 5.4.0-229.249
Ubuntu Pro 20.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-1158.168
Fixed in
  • 5.4.0-1158.168
Ubuntu Pro 20.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-1162.168
Fixed in
  • 5.4.0-1162.168
Ubuntu Pro 20.04 LTSlinux-bluefieldpkg:deb/ubuntu/linux-bluefield?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-1117.124
Fixed in
  • 5.4.0-1117.124
Ubuntu Pro 20.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-1161.170
Fixed in
  • 5.4.0-1161.170
Ubuntu Pro 20.04 LTSlinux-ibmpkg:deb/ubuntu/linux-ibm?arch=source&distro=esm-infra/focalOther threatsAffected
  • <5.4.0-1104.109
Fixed in
  • 5.4.0-1104.109

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

Description

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - IPv4 networking; (CVE-2024-50304, CVE-2026-23112, CVE-2026-23209)

References

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