PT-2022-6839 · Linux+3 · Linux Kernel+3

Tote Robot · Published 2022-04-19 · Updated 2023-10-10 · CVE-2023-4385

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)

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

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-27958

BDU:2023-04901

CVE-2023-4385

OESA-2023-1584

OESA-2023-1588

OPENSUSE-SU-2023_3680-1

OPENSUSE-SU-2023_3684-1

SUSE-SU-2023:3601-1

SUSE-SU-2023:3680-1

SUSE-SU-2023:3681-1

SUSE-SU-2023:3684-1

SUSE-SU-2023:3687-1

SUSE-SU-2023:3705-1

SUSE-SU-2023:3785-1

SUSE-SU-2023:4028-1

USN-6388-1

Affected Products

Astra Linux

Linux Kernel

Suse

Ubuntu

References · 145

• https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2023:4028-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-40283 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-4385 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3681-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3601-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-4385 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-32269 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3687-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-1206 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-4385 · Security Note
• https://ubuntu.com/security/CVE-2023-4459 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-4459 · Security Note