CVE-2024-35866

smb: client: fix potential UAF in cifs_dump_full_key()

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved:

smb: client: fix potential UAF in cifs_dump_full_key()

Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb: cliente: corrige UAF potencial en cifs_dump_full_key() Omita las sesiones que se están eliminando (estado == SES_EXITING) para evitar UAF.

A use-after-free flaw was found in the Linux kernel in the smb client cifs_dump_full_key() when exiting a session. This flaw allows a local attacker to crash the system.

*Credits: N/A

CVSS Scores

Red Hatv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-17 CVE Reserved
2024-05-19 CVE Published
2024-05-20 EPSS Updated
2024-11-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/10e17ca4000ec34737bde002a13435c38ace2682	2024-04-10
https://git.kernel.org/stable/c/3103163ccd3be4adcfa37e15608fb497be044113	2024-04-10
https://git.kernel.org/stable/c/58acd1f497162e7d282077f816faa519487be045	2024-04-03

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-35866	2024-11-12
https://bugzilla.redhat.com/show_bug.cgi?id=2281760	2024-11-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.6.26 Search vendor "Linux" for product "Linux Kernel" and version " < 6.6.26"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.8.5 Search vendor "Linux" for product "Linux Kernel" and version " < 6.8.5"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.9 Search vendor "Linux" for product "Linux Kernel" and version " < 6.9"		en		Affected