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CVE-2026-23412 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a kernel.org
https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 kernel.org
https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 kernel.org
https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 kernel.org
https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-23412
NVD Published Date:
04/02/2026
NVD Last Modified:
04/02/2026
Source:
kernel.org