CVE-2023-26605

2023-02-2600:00:00

ubuntu.com

cve-2023-26605

inode_cgwb_move_to_attached

fs-writeback.c

__list_del_entry_valid

unix

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

25.9%

JSON

In the Linux kernel 6.0.8, there is a use-after-free in
inode_cgwb_move_to_attached in fs/fs-writeback.c, related to
__list_del_entry_valid.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< 5.15.0-67.74UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-35.36UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1031.35UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1020.21UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1031.35~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1034.41UNKNOWN
ubuntu22.10noarchlinux-azure< 5.19.0-1021.22UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1034.41~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-5.19< 5.19.0-1021.22~22.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-fde< 5.15.0-1034.41.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	linux	< 5.15.0-67.74	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-35.36	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1031.35	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1020.21	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1031.35~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1034.41	UNKNOWN
ubuntu	22.10	noarch	linux-azure	< 5.19.0-1021.22	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< 5.15.0-1034.41~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-5.19	< 5.19.0-1021.22~22.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-fde	< 5.15.0-1034.41.1	UNKNOWN