CVE-2026-23412
Published: Apr 2, 2026
Modified: May 11, 2026
CVSS v3.1
7.8
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlink_hooks: BUG: KASAN: slab-use-after-free in nfnl_hook_dump_one.isra.0+0xe71/0x10f0 Read of size 8 at addr ffff888003edbf88 by task poc/79 Call Trace: <TASK> nfnl_hook_dump_one.isra.0+0xe71/0x10f0 netlink_dump+0x554/0x12b0 nfnl_hook_get+0x176/0x230 [..] Defer release until after concurrent readers have completed.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 84601d6ee68ae820dec97450934797046d62db4b - < d016c216bc75c45128160593a77b864a04dbe7c0affected 84601d6ee68ae820dec97450934797046d62db4b - < cb2bf5efdb02a2a59faf603604a1066e8266f349affected 84601d6ee68ae820dec97450934797046d62db4b - < c25e0dec366ae99b7264324ce3c7cbaea34691f9affected 84601d6ee68ae820dec97450934797046d62db4b - < 54244d54a971c26a0cd0a9073460ff71f3c51b32affected 84601d6ee68ae820dec97450934797046d62db4b - < 24f90fa3994b992d1a09003a3db2599330a5232a |
Linux | Linux | affected 6.4unaffected 0 - < 6.4unaffected 6.6.130 - <= 6.6.*unaffected 6.12.78 - <= 6.12.*unaffected 6.18.20 - <= 6.18.*+2 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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