CVE-2023-4385

A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2023-4385	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2219272	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f	Patch
https://access.redhat.com/security/cve/CVE-2023-4385	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2219272	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

21 Nov 2024, 08:34

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado un fallo de desviación de puntero NULL en dbFree en fs/jfs/jfs_dmap.c en el sistema de archivos de registro diario (JFS) en el Kernel de Linux. Este problema puede permitir a un atacante local bloquear el sistema debido a la falta de una comprobación de sanidad.
References	~~() https://access.redhat.com/security/cve/CVE-2023-4385 - Third Party Advisory~~	() https://access.redhat.com/security/cve/CVE-2023-4385 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2219272 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2219272 - Issue Tracking, Third Party Advisory
References	~~() https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f - Patch~~	() https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f - Patch

Information

Published : 2023-08-16 17:15

Updated : 2024-11-21 08:34

NVD link : CVE-2023-4385

Mitre link : CVE-2023-4385

CVE.ORG link : CVE-2023-4385

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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