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CVE-2022-2978

Date: August 23, 2022

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.

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2022-2978
https://nvd.nist.gov/vuln/detail/CVE-2022-2978
https://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91@hust.edu.cn/T/#u
https://access.redhat.com/security/cve/CVE-2022-2978
https://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91%40hust.edu.cn/T/#u
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-2978
https://www.mend.io/vulnerability-database/CVE-2022-2978

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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