Yüksek CVSS 7.1
CVE-2022-49870: Linux Kernel: sınır dışı okuma
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAP_TO_MASK 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 security/commoncap.c:1252:2 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 cap_task_prctl+0x561/0x6f0 security_task_prctl+0x5a/0xb0 __x64_sys_prctl+0x61/0x8f0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK>
Özet bilgiler
- Ürün
- Linux Linux Kernel
- CVSS v3.1
- 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - EPSS
- %0,22 (yüzdelik 13)
- CWE
- CWE-125
- Yama
- Mevcut
Etkilenen sürümler
| Ürün | Başlangıç | Bitiş | Düzeltildi |
|---|---|---|---|
| linux-linux-kernel | 2.6.25 | — | 4.9.334 |
| linux-linux-kernel | 4.10 | — | 4.14.300 |
| linux-linux-kernel | 4.15 | — | 4.19.267 |
| linux-linux-kernel | 4.20 | — | 5.4.225 |
| linux-linux-kernel | 5.5 | — | 5.10.155 |
| linux-linux-kernel | 5.11 | — | 5.15.79 |
| linux-linux-kernel | 5.16 | — | 6.0.9 |
| linux-linux-kernel | 6.1 | 6.1 | — |
| linux-linux-kernel | 6.1 | 6.1 | — |
| linux-linux-kernel | 6.1 | 6.1 | — |
| linux-linux-kernel | 6.1 | 6.1 | — |