Yüksek CVSS 7.8
CVE-2022-49907: Linux Kernel: güvenlik açığı
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: net: mdio: fix undefined behavior in bit shift for __mdiobus_register Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in drivers/net/phy/mdio_bus.c:586:27 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c __mdiobus_register+0x49d/0x4e0 fixed_mdio_bus_init+0xd8/0x12d do_one_initcall+0x76/0x430 kernel_init_freeable+0x3b3/0x422 kernel_init+0x24/0x1e0 ret_from_fork+0x1f/0x30 </TASK>
Özet bilgiler
- Ürün
- Linux Linux Kernel
- CVSS v3.1
- 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- %0,23 (yüzdelik 14)
- Yama
- Mevcut
Etkilenen sürümler
| Ürün | Başlangıç | Bitiş | Düzeltildi |
|---|---|---|---|
| linux-linux-kernel | 2.6.28 | — | 4.9.333 |
| linux-linux-kernel | 4.10 | — | 4.14.299 |
| linux-linux-kernel | 4.15 | — | 4.19.265 |
| linux-linux-kernel | 4.20 | — | 5.4.224 |
| linux-linux-kernel | 5.5 | — | 5.10.154 |
| linux-linux-kernel | 5.11 | — | 5.15.78 |
| linux-linux-kernel | 5.16 | — | 6.0.8 |
| linux-linux-kernel | 6.1 | 6.1 | — |
| linux-linux-kernel | 6.1 | 6.1 | — |
| linux-linux-kernel | 6.1 | 6.1 | — |