CVE-2026-23351: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase

Published Mar 25, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

Other sources

netfilter: nftsetpipapo: split gc into unlink and reclaim phase

Microsoft

Affected Software

19 affected componentsFixes available
Linux Linux kernel (netfilter nft_set_pipapo)
Microsoft azl3 kernel 6.6.126.1-1
Linux Linux kernel>=5.6.1<5.10.253
Linux Linux kernel>=5.11<5.15.203
Linux Linux kernel>=5.16<6.1.167
Linux Linux kernel>=6.2<6.6.130
Linux Linux kernel>=6.7<6.12.77
Linux Linux kernel>=6.13<6.18.17
Linux Linux kernel>=6.19<6.19.7
Linux Linux kernel=5.6
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7
debian/linux<=5.10.223-1
5.10.257-16.1.170-36.1.174-16.12.86-16.12.90-27.0.10-17.0.12-2
debian/linux-6.1
6.1.174-1~deb11u1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.257-1Fixed in 6.1.170-3Fixed in 6.1.174-1Fixed in 6.12.86-1Fixed in 6.12.90-2Fixed in 7.0.10-1Fixed in 7.0.12-2
  2. Upgrade

    Upgrade debian/linux-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.174-1~deb11u1
  3. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Patch netfilter: nft_set_pipapo: split gc into unlink and reclaim phase
  4. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Patch 35f83a75529a (

Event History

Mar 25, 2026
CVE Published
via MITRE·10:27 AM
Data Sourced
via MITRE·10:27 AM
DescriptionSeverity
Data Sourced
via NVD·11:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Mar 26, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:05 AM
DescriptionSeverity
May 19, 2026
Data Sourced
via Launchpad·11:40 PM
Description
Jun 17, 2026
Data Sourced
via Ubuntu·07:43 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·07:45 PM
DescriptionAffected Software
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