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CVE-2026-46324— netfilter: nf_tables: use list_del_rcu for netlink hooks

CVSS 7.8 · High EPSS 0.12% · P2

Possible ATT&CK Techniques 1AI

T1205.002 · Socket Filters

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinuxf9a43007d3f7ba76d5e7f9421094f00f2ef202f8< 0bd93ce4f3c35e845532184331d7917d7e562c80affected
f9a43007d3f7ba76d5e7f9421094f00f2ef202f8< 0f33e8ad6ac563ae2233dd7f75884e0ee010521daffected
f9a43007d3f7ba76d5e7f9421094f00f2ef202f8< f3224ee463f8f6f6ced7dcdf6081add4f8128527affected
c73955a09408e7374d9abfd0e78ce3de9cda0635affected
b09e6ccf0d12f9356e8e3508d3e3dce126298538affected
3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82affected
9c413a8c8bb49cc16796371805ecb260e885bb2baffected
a3940dcf552f2393d1e8f263b386593f98abe829affected
… +12 more rows
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I. Basic Information for CVE-2026-46324

Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: use list_del_rcu for netlink hooks
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use list_del_rcu for netlink hooks nft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need to use list_del_rcu(), this list can be walked by concurrent dumpers. Add a new helper and use it consistently.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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nft_netdev_unregister_hooks和__nft_unregister_flowtable_net_hooks函数未使用list_del_rcu()，可能导致并发转储器遍历时出现问题。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 ~ 0bd93ce4f3c35e845532184331d7917d7e562c80 -
LinuxLinux 5.19 -

II. Public POCs for CVE-2026-46324

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III. Intelligence Information for CVE-2026-46324

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Patches & Fixes for CVE-2026-46324 (3)

Same Patch Batch · Linux · 2026-06-09 · 21 CVEs total

CVE-2026-463259.8 CRITICALRDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE
CVE-2026-463169.3 CRITICALKVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry
CVE-2026-463178.8 HIGHKVM: arm64: Reassign nested_mmus array behind mmu_lock
CVE-2026-463268.4 HIGHiio: pressure: mprls0025pa: fix spi_transfer struct initialisation
CVE-2026-463328.0 HIGHgreybus: gb-beagleplay: bound bootloader receive buffering
CVE-2026-529077.8 HIGHmedia: rockchip: rkcif: fix off by one bugs
CVE-2026-463197.8 HIGHnet/sched: act_ct: Only release RCU read lock after ct_ft
CVE-2026-463307.8 HIGHRevert "net/smc: Introduce TCP ULP support"
CVE-2026-463237.8 HIGHnet: gro: don't merge zcopy skbs
CVE-2026-463277.8 HIGHdm: fix unlocked test for dm_suspended_md
CVE-2026-529067.7 HIGH9p: fix access mode flags being ORed instead of replaced
CVE-2026-463207.4 HIGHtap: free page on error paths in tap_get_user_xdp()
CVE-2026-463287.3 HIGHapparmor: fix rlimit for posix cpu timers
CVE-2026-463227.1 HIGHtun: free page on build_skb failure in tun_xdp_one()
CVE-2026-463217.1 HIGHtun: free page on short-frame rejection in tun_xdp_one()
CVE-2026-46329erofs: handle end of filesystem properly for file-backed mounts
CVE-2026-46318Revert "mm/hugetlbfs: update hugetlbfs to use mmap_prepare"
CVE-2026-52904drm/nouveau: fix nvkm_device leak on aperture removal failure
CVE-2026-52905mm/damon/core: disallow non-power of two min_region_sz on damon_start()
CVE-2026-46315io_uring/waitid: clear waitid info before copying it to userspace

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46324

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