CVE-2024-50116

CVE Details

Release Date:

2024-11-05

Description

In the Linux kernel, the following vulnerability has been resolved:\nnilfs2: fix kernel bug due to missing clearing of buffer delay flag\nSyzbot reported that after nilfs2 reads a corrupted file system image\nand degrades to read-only, the BUG_ON check for the buffer delay flag\nin submit_bh_wbc() may fail, causing a kernel bug.\nThis is because the buffer delay flag is not cleared when clearing the\nbuffer state flags to discard a page/folio or a buffer head. So, fix\nthis.\nThis became necessary when the use of nilfs2's own page clear routine\nwas expanded. This state inconsistency does not occur if the buffer\nis written normally by log writing.

See more information about CVE-2024-50116 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality:	None
Integrity:	None
Availability:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2024-12884	2024-12-16
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12884	2024-12-16
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12887	2024-12-18
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12887	2024-12-18