发布时间: 2023年5月9日
修改时间: 2024年11月30日
A vulnerability due to missing lock on overflow for IOPOLL bug in io_cqring_event_overflow() in io_uring.c in Linux kernel through v6.2-rc5, which allows an attacker to trigger Denial of Service.This bug has already been reported to kernel developers early in Januaryand Jens has done a patch: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8The earliest reports can be found at:https://groups.google.com/g/syzkaller/c/T04q4HMUCdA/m/qVaOqv2RAAAJ
| NVD | openEuler | |
|---|---|---|
| Confidentiality | None | Low |
| Attack Vector | Local | Local |
| CVSS评分 | 5.5 | 6.6 |
| Attack Complexity | Low | Low |
| Privileges Required | Low | Low |
| Scope | Unchanged | Unchanged |
| Integrity | None | Low |
| User Interaction | None | None |
| Availability | High | High |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2023-1326 | A vulnerability due to missing lock on overflow for IOPOLL bug in io_cqring_event_overflow() in io_uring.c in Linux kernel through v6.2-rc5, which allows an attacker to trigger Denial of Service.This bug has already been reported to kernel developers early in Januaryand Jens has done a patch: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8The earliest reports can be found at:https://groups.google.com/g/syzkaller/c/T04q4HMUCdA/m/qVaOqv2RAAAJ | 2023年5月9日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-4A | kernel | Unaffected |
| KY3.4-5A | kernel | Unaffected |
| KY3.5.1 | kernel | Unaffected |
| KY3.5.2 | kernel | Unaffected |
