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CVE-2024-26809— netfilter: nft_set_pipapo: release elements in clone only from destroy path

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 netfilter nft_set_pipapo 中存在安全问题。

CVSS 7.8 · High EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 4a6430b99f67842617c7208ca55a411e903ba03a< b36b83297ff4910dfc8705402c8abffd4bbf8144 affected
5ccecafc728b0df48263d5ac198220bcd79830bc< 362508506bf545e9ce18c72a2c48dcbfb891ab9c affected
9827a0e6e23bf43003cd3d5b7fb11baf59a35e1e< 5ad233dc731ab64cdc47b84a5c1f78fff6c024af affected
9827a0e6e23bf43003cd3d5b7fb11baf59a35e1e< ff90050771412b91e928093ccd8736ae680063c2 affected
9827a0e6e23bf43003cd3d5b7fb11baf59a35e1e< 821e28d5b506e6a73ccc367ff792bd894050d48b affected
9827a0e6e23bf43003cd3d5b7fb11baf59a35e1e< 9384b4d85c46ce839f51af01374062ce6318b2f2 affected
9827a0e6e23bf43003cd3d5b7fb11baf59a35e1e< b0e256f3dd2ba6532f37c5c22e07cb07a36031ee affected
d2b18d110685ce46ca1633b8ec586c685e243a51 affected
… +12 more rows
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I. Basic Information for CVE-2024-26809

Vulnerability Information
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Vulnerability Title
netfilter: nft_set_pipapo: release elements in clone only from destroy path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: release elements in clone only from destroy path Clone already always provides a current view of the lookup table, use it to destroy the set, otherwise it is possible to destroy elements twice. This fix requires: 212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol") which came after: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path").
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 netfilter nft_set_pipapo 中存在安全问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 4a6430b99f67842617c7208ca55a411e903ba03a ~ b36b83297ff4910dfc8705402c8abffd4bbf8144 -
Linux Linux 5.19 -

II. Public POCs for CVE-2024-26809

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III. Intelligence Information for CVE-2024-26809

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Mailing List Discussions for CVE-2024-26809 (1)

Other References for CVE-2024-26809 (6)

Same Patch Batch · Linux · 2024-04-04 · 32 CVEs total

CVE-2024-26782 9.8 CRITICAL mptcp: fix double-free on socket dismantle
CVE-2024-26800 9.8 CRITICAL tls: fix use-after-free on failed backlog decryption
CVE-2024-26801 8.8 HIGH Bluetooth: Avoid potential use-after-free in hci_error_reset
CVE-2024-26792 7.8 HIGH btrfs: fix double free of anonymous device after snapshot creation failure
CVE-2024-26808 7.8 HIGH netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
CVE-2024-26807 7.8 HIGH spi: cadence-qspi: fix pointer reference in runtime PM hooks
CVE-2024-26804 7.8 HIGH net: ip_tunnel: prevent perpetual headroom growth
CVE-2024-26802 7.8 HIGH stmmac: Clear variable when destroying workqueue
CVE-2024-26797 7.8 HIGH drm/amd/display: Prevent potential buffer overflow in map_hw_resources
CVE-2024-26795 7.8 HIGH riscv: Sparse-Memory/vmemmap out-of-bounds fix
CVE-2024-26793 7.8 HIGH gtp: fix use-after-free and null-ptr-deref in gtp_newlink()
CVE-2024-26789 7.8 HIGH crypto: arm64/neonbs - fix out-of-bounds access on short input
CVE-2024-26786 7.8 HIGH iommufd: Fix iopt_access_list_id overwrite bug
CVE-2024-26799 7.0 HIGH ASoC: qcom: Fix uninitialized pointer dmactl
CVE-2024-26746 dmaengine: idxd: Ensure safe user copy of completion record
CVE-2024-26788 dmaengine: fsl-qdma: init irq after reg initialization
CVE-2024-26750 af_unix: Drop oob_skb ref before purging queue in GC.
CVE-2024-26806 spi: cadence-qspi: remove system-wide suspend helper calls from runtime PM hooks
CVE-2024-26805 netlink: Fix kernel-infoleak-after-free in __skb_datagram_iter
CVE-2024-26780 af_unix: Fix task hung while purging oob_skb in GC.

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26809

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