High 7.8Published Jul 4, 2025

CVE-2025-38184tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer

Updated under an hour ago (Oct 28, 2026, 12:20 PM ET)

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It affects Linux and 2 other products. Add what you run to find out whether that includes you.

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 832629ca5c313e122b22b8e73a6d80f111b1a1ae before 3998283e4c32c0fe69edd59b0876c193f50abce6; from 832629ca5c313e122b22b8e73a6d80f111b1a1ae before c2e17984752b9131061d1a2ca1199da2706337fd; from 832629ca5c313e122b22b8e73a6d80f111b1a1ae before 8595350615f952fcf8bc861464a6bf6b1129af50; 832629ca5c313e122b22b8e73a6d80f111b1a1ae builds before 05d332ba075753d569d66333d62d60fff5f57ad8; from 832629ca5c313e122b22b8e73a6d80f111b1a1ae before d3dfe821dfe091c0045044343c8d86596d66e2cf; 832629ca5c313e122b22b8e73a6d80f111b1a1ae builds before 0d3d91c3500f0c480e016faa4e2259c588616e59; 832629ca5c313e122b22b8e73a6d80f111b1a1ae builds before 0f4a72fb266e48dbe928e1d936eab149e4ac3e1b; from 832629ca5c313e122b22b8e73a6d80f111b1a1ae before f82727adcf2992822e12198792af450a76ebd5ef	CNA record
linux linux_kernel linux:linux_kernel	from 4.9 before 5.4.295; from 5.5 before 5.10.239; from 5.11 before 5.15.186; from 5.16 before 6.1.142; from 6.2 before 6.6.95; from 6.7 before 6.12.35; from 6.13 before 6.15.4; 6.16; and 1 more ranges	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6	patch
https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd	patch
https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50	patch
https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8	patch
https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf	patch
https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59	patch
https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b	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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.