CVE-2024-35904

selinux: avoid dereference of garbage after mount failure

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:

selinux: avoid dereference of garbage after mount failure

In case kern_mount() fails and returns an error pointer return in the
error branch instead of continuing and dereferencing the error pointer.

While on it drop the never read static variable selinuxfs_mount.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: selinux: evita la desreferenciación de basura después de un error de montaje En caso de que kern_mount() falle y devuelva un puntero de error en la rama de error en lugar de continuar y desreferenciar el puntero de error. Mientras está en él, suelte la variable estática nunca leída selinuxfs_mount.

*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
2024-12-19 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (8)

URL	Tag	Source
https://git.kernel.org/stable/c/0619f0f5e36f12e100ef294f5980cfe7c93ff23e	Vuln. Introduced
http://www.openwall.com/lists/oss-security/2024/05/30/1
http://www.openwall.com/lists/oss-security/2024/05/30/2

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/477ed6789eb9f3f4d3568bb977f90c863c12724e	2024-04-10
https://git.kernel.org/stable/c/68784a5d01b8868ff85a7926676b6729715fff3c	2024-04-10
https://git.kernel.org/stable/c/37801a36b4d68892ce807264f784d818f8d0d39b	2024-04-02

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-35904	2024-11-12
https://bugzilla.redhat.com/show_bug.cgi?id=2281655	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"				>= 4.17 < 6.6.26 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 6.6.26"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.17 < 6.8.5 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 6.8.5"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.17 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.17 < 6.9"		en		Affected