PT-2023-9662 · Linux+9 · Linux Kernel+9

Christophe Leroy + 1 · Published 2023-12-04 · Updated 2025-09-29 · CVE-2023-52607

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 The issue is related to a null-pointer dereference in the pgtable cache add function of the powerpc/mm component of the Linux kernel. The kasprintf() function returns a pointer to dynamically allocated memory, which can be NULL upon failure. The vulnerability can be exploited to cause a denial of service.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2024:3618

ALSA-2025_16880

BDU:2024-09455

CESA-2024_3618

CVE-2023-52607

DLA-3842-1

DSA-5658-1

DSA-5681-1

INFSA-2024_3618

OESA-2024-1496

OESA-2024-1497

OESA-2024-1498

OESA-2024-1499

OESA-2024-1500

OESA-2024-1501

OPENSUSE-SU-2024_1322-1

OPENSUSE-SU-2024_1322-2

OPENSUSE-SU-2024_1332-1

OPENSUSE-SU-2024_1332-2

OPENSUSE-SU-2024_1466-1

OPENSUSE-SU-2024_1480-1

OPENSUSE-SU-2024_1489-1

OPENSUSE-SU-2024_1490-1

OPENSUSE-SU-2024_1641-1

RHSA-2024:3618

RHSA-2024_3618

RLSA-2024:3618

SUSE-SU-2024:1454-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1466-1

SUSE-SU-2024:1480-1

SUSE-SU-2024:1489-1

SUSE-SU-2024:1490-1

SUSE-SU-2024:1641-1

SUSE-SU-2024:1643-1

SUSE-SU-2024:1646-1

SUSE-SU-2024:1647-1

SUSE-SU-2024:1870-1

USN-6688-1

USN-6765-1

USN-6766-1

USN-6766-2

USN-6766-3

USN-6767-1

USN-6767-2

USN-6795-1

USN-6818-1

USN-6818-2

USN-6818-3

USN-6818-4

USN-6819-1

USN-6819-2

USN-6819-3

USN-6819-4

USN-6828-1

Affected Products

Almalinux

Astra Linux

Centos

Linuxmint

Linux Kernel

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 1624

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52607.json · Exploit
• https://ubuntu.com/security/CVE-2024-26650 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-27075 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52472 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52698 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6818-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52605 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52607 · Security Note
• https://ubuntu.com/security/CVE-2024-26668 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26915 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-27024 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52465 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-27076 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52490 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52450 · Vendor Advisory