Answer in brief
CVE-2025-38184 records a Unknown severity vulnerability in tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2025-38184 records a Unknown severity vulnerability in tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <3998283e4c32c0fe69edd59b0876c193f50abce6 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <c2e17984752b9131061d1a2ca1199da2706337fd || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <8595350615f952fcf8bc861464a6bf6b1129af50 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <05d332ba075753d569d66333d62d60fff5f57ad8 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <d3dfe821dfe091c0045044343c8d86596d66e2cf || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <0d3d91c3500f0c480e016faa4e2259c588616e59 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <0f4a72fb266e48dbe928e1d936eab149e4ac3e1b || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <f82727adcf2992822e12198792af450a76ebd5ef | 3998283e4c32c0fe69edd59b0876c193f50abce6, c2e17984752b9131061d1a2ca1199da2706337fd, 8595350615f952fcf8bc861464a6bf6b1129af50, 05d332ba075753d569d66333d62d60fff5f57ad8, d3dfe821dfe091c0045044343c8d86596d66e2cf, 0d3d91c3500f0c480e016faa4e2259c588616e59, 0f4a72fb266e48dbe928e1d936eab149e4ac3e1b, f82727adcf2992822e12198792af450a76ebd5ef |
| Linux/Linuxgeneric | 4.9 | Not reported |
Published upstream
Jul 4, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <3998283e4c32c0fe69edd59b0876c193f50abce6 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <c2e17984752b9131061d1a2ca1199da2706337fd || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <8595350615f952fcf8bc861464a6bf6b1129af50 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <05d332ba075753d569d66333d62d60fff5f57ad8 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <d3dfe821dfe091c0045044343c8d86596d66e2cf || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <0d3d91c3500f0c480e016faa4e2259c588616e59 || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <0f4a72fb266e48dbe928e1d936eab149e4ac3e1b || >=832629ca5c313e122b22b8e73a6d80f111b1a1ae <f82727adcf2992822e12198792af450a76ebd5ef | 3998283e4c32c0fe69edd59b0876c193f50abce6, c2e17984752b9131061d1a2ca1199da2706337fd, 8595350615f952fcf8bc861464a6bf6b1129af50, 05d332ba075753d569d66333d62d60fff5f57ad8, d3dfe821dfe091c0045044343c8d86596d66e2cf, 0d3d91c3500f0c480e016faa4e2259c588616e59, 0f4a72fb266e48dbe928e1d936eab149e4ac3e1b, f82727adcf2992822e12198792af450a76ebd5ef |
| Linux/Linuxgeneric | 4.9 | Not reported |
Published upstream
Jul 4, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.