CVE - CVE-2025-38184

CVE-ID
CVE-2025-38184	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8 URL:https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8 MISC:https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59 URL:https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59 MISC:https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b URL:https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b MISC:https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6 URL:https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6 MISC:https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50 URL:https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50 MISC:https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd URL:https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd MISC:https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf URL:https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf MISC:https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef URL:https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef
Assigning CNA
kernel.org
Date Record Created
20250416	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250416)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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