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VulnerabilityPublished Updated

CVE-2024-27017: Linux kernel · netfilter: nft_set_pipapo: walk over current view on netlink dump

Affects Linux kernelSource GCVE Database

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Not known to be exploited · CVSS 7.8 High · fixed in 5.15.0-1066.72~20.04.1 : patch Linux kernel soon.

Data as of 12 Nov 2026, 18:52 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 5.15.0-1066.72~20.04.1, 5.15.0-1070.79~20.04.1, 5.15.0-1065.73~20.04.1 +45
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 May 2024

  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 12 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
  • <6.8.0-38.38
Fixed in
  • 6.8.0-38.38
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1011.12
Fixed in
  • 6.8.0-1011.12
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1010.10
Fixed in
  • 6.8.0-1010.10
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1010.11
Fixed in
  • 6.8.0-1010.11
Ubuntu 24.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1006.9
Fixed in
  • 6.8.0-1006.9
Ubuntu 24.04 LTSlinux-ibmpkg:deb/ubuntu/linux-ibm?arch=source&distro=nobleOther threatsAffected
  • <6.8.0-1008.8
Fixed in
  • 6.8.0-1008.8

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 has been released for affected Ubuntu kernel versions. Users should apply the official updates listed in the Ubuntu security notices (USN-6893-1, USN-6893-2, USN-6893-3, USN-6918-1, USN-6923-1, USN-6923-2, USN-6927-1, USN-6956-1, USN-6957-1, USN-7019-1) to remediate this vulnerability. No additional mitigation steps are required beyond applying these patches.

Description

CVE-2024-27017 is a high-severity vulnerability in the Linux kernel's netfilter nft_set_pipapo component. It involves an issue where the generation mask can be updated during a netlink dump, causing the pipapo set backend walk iterator to incorrectly infer the data structure view. This flaw has been resolved by adding notation to specify user intent for reading or updating the set. Multiple Ubuntu kernel versions are affected, and patches have been released to address the issue.

References

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