PT-2023-5512 · Linux+10 · Linux Kernel+10

Kyle Zeng

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Published

2023-09-06

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Updated

2025-11-19

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CVE-2023-42753

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the h->nets array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

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Weakness Enumeration

Related Identifiers

ALSA-2024:0113
ALT-PU-2023-7004
ALT-PU-2023-7439
ALT-PU-2023-7787
ALT-PU-2023-7838
ALT-PU-2023-8485
ALT-PU-2024-6818
AZL-30050
AZL-30054
BDU:2023-06160
CESA-2024_0089
CESA-2024_0113
CESA-2024_0134
CESA-2024_0346
CVE-2023-42753
DLA-3623-1
DLA-3710-1
LSN-0099-1
OESA-2023-1727
OESA-2023-1728
OESA-2023-1729
OESA-2023-1730
OESA-2023-1731
OPENSUSE-SU-2023_4035-1
OPENSUSE-SU-2023_4057-1
OPENSUSE-SU-2023_4058-1
OPENSUSE-SU-2023_4071-1
OPENSUSE-SU-2023_4072-1
OPENSUSE-SU-2023_4072-2
OPENSUSE-SU-2024:13305-1
OPENSUSE-SU-2024:13704-1
RHSA-2023:7370
RHSA-2023:7379
RHSA-2023:7382
RHSA-2023:7389
RHSA-2023:7411
RHSA-2023:7418
RHSA-2023:7539
RHSA-2023:7558
RHSA-2024:0089
RHSA-2024:0113
RHSA-2024:0134
RHSA-2024:0340
RHSA-2024:0346
RHSA-2024:0347
RHSA-2024:0371
RHSA-2024:0376
RHSA-2024:0378
RHSA-2024:0402
RHSA-2024:0403
RHSA-2024:0412
RHSA-2024:0461
RHSA-2024:0562
RHSA-2024:0563
RHSA-2024:0593
RHSA-2024:0999
RHSA-2024_0113
RHSA-2024_0134
RHSA-2024_0346
RHSA-2024_0347
RHSA-2024_0461
RLSA-2024:0134
SUSE-SU-2023:4030-1
SUSE-SU-2023:4035-1
SUSE-SU-2023:4057-1
SUSE-SU-2023:4058-1
SUSE-SU-2023:4071-1
SUSE-SU-2023:4072-1
SUSE-SU-2023:4072-2
SUSE-SU-2023:4093-1
SUSE-SU-2023:4095-1
SUSE-SU-2023:4142-1
SUSE-SU-2024:1181-1
SUSE-SU-2024:1183-1
SUSE-SU-2024:1236-1
SUSE-SU-2024:1246-1
SUSE-SU-2024:1249-1
SUSE-SU-2024:1251-1
SUSE-SU-2024:1252-1
SUSE-SU-2024:1257-1
SUSE-SU-2024:1288-1
SUSE-SU-2024:1299-1
SUSE-SU-2024:1312-1
SUSE-SU-2025:03600-1
SUSE-SU-2025:03613-1
SUSE-SU-2025:03615-1
SUSE-SU-2025:03626-1
SUSE-SU-2025:03628-1
SUSE-SU-2025:03634-1
SUSE-SU-2025:20851-1
SUSE-SU-2025:20861-1
SUSE-SU-2025:20870-1
SUSE-SU-2025:20898-1
SUSE-SU-2025:3716-1
SUSE-SU-2025:3751-1
SUSE-SU-2025:3761-1
SUSE-SU-2025:4057-1
SUSE-SU-2025:4132-1
SUSE-SU-2025:4141-1
USN-6415-1
USN-6439-1
USN-6439-2
USN-6440-1
USN-6440-2
USN-6440-3
USN-6441-1
USN-6441-2
USN-6441-3
USN-6442-1
USN-6444-1
USN-6444-2
USN-6445-1
USN-6445-2
USN-6446-1
USN-6446-2
USN-6446-3
USN-6466-1

Affected Products

Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu