CVE-2026-23412

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-23412
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a Patch
https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 Patch
https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 Patch
https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 Patch
https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
History

24 Apr 2026, 15:23

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CPE cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
CWE CWE-416
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a - () https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a - Patch
References () https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 - () https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 - Patch
References () https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 - () https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 - Patch
References () https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 - () https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 - Patch
References () https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 - () https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 - Patch

02 Apr 2026, 12:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-02 12:16

Updated : 2026-04-27 14:16

NVD link : CVE-2026-23412

Mitre link : CVE-2026-23412

CVE.ORG link : CVE-2026-23412

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

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