CVE-2025-38184

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-38184
In the Linux kernel, the following vulnerability has been resolved: tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer The reproduction steps: 1. create a tun interface 2. enable l2 bearer 3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun tipc: Started in network mode tipc: Node identity 8af312d38a21, cluster identity 4711 tipc: Enabled bearer <eth:syz_tun>, priority 1 Oops: general protection fault KASAN: null-ptr-deref in range CPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT Hardware name: QEMU Ubuntu 24.04 PC RIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0 the ub was in fact a struct dev. when bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or other media when other thread changes it. fix this by checking media_id.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8 Patch
https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59 Patch
https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b Patch
https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6 Patch
https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50 Patch
https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd Patch
https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf Patch
https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

18 Dec 2025, 16:53

Type Values Removed Values Added
CWE CWE-476
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8 - () https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8 - Patch
References () https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59 - () https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59 - Patch
References () https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b - () https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b - Patch
References () https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6 - () https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6 - Patch
References () https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50 - () https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50 - Patch
References () https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd - () https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd - Patch
References () https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf - () https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf - Patch
References () https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef - () https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - Third Party Advisory

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html -
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -

08 Jul 2025, 16:18

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: corregir null-ptr-deref al adquirir la IP remota del portador Ethernet Pasos de reproducción: 1. crear una interfaz tun 2. habilitar el portador l2 3. TIPC_NL_UDP_GET_REMOTEIP con el nombre del medio establecido en tun tipc: iniciado en modo de red tipc: identidad del nodo 8af312d38a21, identidad del clúster 4711 tipc: portador habilitado , prioridad 1 Oops: error de protección general KASAN: null-ptr-deref en el rango CPU: 1 UID: 1000 PID: 559 Comm: poc No contaminado 6.16.0-rc1+ #117 PREEMPT Nombre del hardware: QEMU Ubuntu 24.04 PC RIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0 el ub era de hecho un struct dev. cuando bid != 0 y skip_cnt != 0, bearer_list[bid] puede ser NULL u otro medio cuando otro hilo lo cambia. solucione esto comprobando media_id.

04 Jul 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-04 14:15

Updated : 2025-12-18 16:53

NVD link : CVE-2025-38184

Mitre link : CVE-2025-38184

CVE.ORG link : CVE-2025-38184

JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference