K000161954: Linux kernel vulnerability CVE-2026-23351

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: release elements in clone only from destroy path The clone function always provides a current view of the lookup table; use this to destroy the set. Otherwise, it is possible to destroy elements twice. Th...

UBUNTU-CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2025-39867

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2025-39867

CVE-2025-39867 relates to the Linux kernel netfilter nft_set_pipapo: the root cause is a null dereference in the set handling path. The patch fixes the conditional check that guarded the scratch map access (changing from a test of both m and *m->scratch to only the scratch dereference). This i...

netfilter: nft_set_pipapo: prevent overflow in lookup table allocation

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AZL-70418 CVE-2025-38201 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX Otherwise, it is possible to hit WARNONONCE in kvmallocnodenoprof when resizing hashtable because GFPNOWARN is unset. Similar to: b541ba7d1f5a "netfilter: conntrack...

kernel: netfilter: nft_set_pipapo: walk over current view on netlink dump

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The Linux kernel CVE team has assigned CVE-2024-27017 to this issue. Upstream advisory:...

kernel: netfilter: nft_set_pipapo: do not free live element

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: do not free live element The Linux kernel CVE team has assigned CVE-2024-26924 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024042420-CVE-2024-26924-4d1e@gregkh/T...

kernel: netfilter: nft_set_pipapo: walk over current view on netlink dump

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The Linux kernel CVE team has assigned CVE-2024-27017 to this issue. Upstream advisory:...

LSN-0105-1: Kernel Live Patch Security Notice

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.CVE-2023-6270 It was discovered that the netfilter connecti...

CVE-2024-27017

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

AZL-42163 CVE-2024-27017 affecting package kernel for versions less than 6.6.57.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

CVE-2024-27017

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

CVE-2024-27017

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure ...

CVE-2024-27017

CVE-2024-27017 relates to the Linux kernel netfilter nft_set_pipapo backend. According to the provided sources, a vulnerability arises because the generation mask can be updated while a netlink dump is in progress, causing the pipapo set backend walk iterator to rely on an inconsistent view of th...

UBUNTU-CVE-2024-26924

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: do not free live element Pablo reports a crash with large batches of elements with a back-to-back add/remove pattern. Quoting Pablo: addelem"00000000" timeout 100 ms ... addelem"0000000X" timeout 100 ms...

CVE-2024-26924

The CVE describes a race in Linux kernel netfilter nft_set_pipapo where removal of a key could unmapped a different, non-deactivated element, leaving a stale element reachable and potentially causing a crash. The fix adds a check to ensure the fully matching key maps to the previously inactive el...