Orta CVSS 5.5
CVE-2025-38184: Linux Kernel: NULL işaretçi başvurusu
Açıklama (NVD)
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.
Özet bilgiler
- Ürün
- Linux Linux Kernel
- CVSS v3.1
- 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS
- %0,22 (yüzdelik 12)
- CWE
- CWE-476
- Yama
- Mevcut
Etkilenen sürümler
| Ürün | Başlangıç | Bitiş | Düzeltildi |
|---|---|---|---|
| linux-linux-kernel | 4.9 | — | 5.4.295 |
| linux-linux-kernel | 5.5 | — | 5.10.239 |
| linux-linux-kernel | 5.11 | — | 5.15.186 |
| linux-linux-kernel | 5.16 | — | 6.1.142 |
| linux-linux-kernel | 6.2 | — | 6.6.95 |
| linux-linux-kernel | 6.7 | — | 6.12.35 |
| linux-linux-kernel | 6.13 | — | 6.15.4 |
| linux-linux-kernel | 6.16 | 6.16 | — |
| linux-linux-kernel | 6.16 | 6.16 | — |
| debian-debian-linux | 11.0 | 11.0 | — |