CVE-2024-26594

2024-02-2300:00:00

ubuntu.com

cve-2024-26594

ksmbd

session setup

mech token

error validation

unix

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

Percentile

15.9%

JSON

In the Linux kernel, the following vulnerability has been resolved: ksmbd:
validate mech token in session setup If client send invalid mech token in
session setup request, ksmbd validate and make the error if it is invalid.

Notes

Author	Note
rodrigo-zaiden	USN-6765-1 for linux-oem-6.5 wrongly stated that this CVE was fixed in version 6.5.0-1022.23. The mentioned notice was revoked and the state of the fix for linux-oem-6.5 was recovered to the previous state.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< 5.15.0-106.116UNKNOWN
ubuntu23.10noarchlinux< 6.5.0-41.41UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1061.67UNKNOWN
ubuntu23.10noarchlinux-aws< 6.5.0-1021.21UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1061.67~20.04.1UNKNOWN
ubuntu22.04noarchlinux-aws-6.5< anyUNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1063.72UNKNOWN
ubuntu23.10noarchlinux-azure< 6.5.0-1022.23UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1063.72~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-6.5< 6.5.0-1022.23~22.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	linux	< 5.15.0-106.116	UNKNOWN
ubuntu	23.10	noarch	linux	< 6.5.0-41.41	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1061.67	UNKNOWN
ubuntu	23.10	noarch	linux-aws	< 6.5.0-1021.21	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1061.67~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-aws-6.5	< any	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1063.72	UNKNOWN
ubuntu	23.10	noarch	linux-azure	< 6.5.0-1022.23	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< 5.15.0-1063.72~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-6.5	< 6.5.0-1022.23~22.04.1	UNKNOWN