一、漏洞信息
漏洞编号:CVE-2022-0854
漏洞归属组件:kernel
漏洞归属的版本:4.19.140,4.19.194,4.19.90,5.10.0,5.15.33,5.17
CVSS V3.0分值:
BaseScore:5.5 Medium
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
漏洞简述:
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
漏洞公开时间:2022-03-24 04:15
漏洞创建时间:2022-03-29 14:37:56
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2022-0854
漏洞分析指导链接:
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
其它
漏洞补丁信息:
二、漏洞分析结构反馈
影响性分析说明:
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
openEuler评分:
5.5
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP2(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP2(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
三、漏洞修复
安全公告链接:https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2022-1614
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影响性分析说明:
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
openEuler评分:
CVSS V3.0分值:
BaseScore:
Vector:
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP2(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP2(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
影响性分析说明:
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
openEuler评分:
CVSS V3.0分值:
BaseScore: 5.1
Vector:
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP2(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP2(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
影响性分析说明:
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
openEuler评分:
CVSS V3.0分值:
BaseScore: 5.1
Vector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP2(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
修复是否涉及abi变化(是/否):
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP2(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
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