CVE-2022-2978

HIGH7.8

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy

Published Aug 24, 2022

Modified 1 years ago

Details

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

References

WEBhttps://lists.debian.org/debian-lts-announce/2022/12/msg00034.html WEBhttps://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91%40hust.edu.cn/T/#u ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-2978

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Memory Safety

CWE-416

Use After Free

Ecosystems

Timeline

PublishedAug 24, 2022

ModifiedAug 3, 2024