CVE-2023-3772: enterprise linux 8.0, 9.0; +16 more affected products

Affected technology

enterprise linux · 8.0
redhat

enterprise linux · 9.0
redhat

enterprise linux for real time · 8.0
redhat

enterprise linux for real time for nfv · 8.0
redhat

fedora · Version not applicable in the source CPE
fedoraproject

linux kernel · Version not applicable in the source CPE
linux

debian linux · 10.0
debian

debian linux · 12.0
debian

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before V1.1
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · High privileges required · No user interaction required

What an attacker can do

A malicious user with CAP_NET_ADMIN privileges may directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service. Vendor/CNA’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 4.4/10) rates confidentiality and integrity impact as none; availability impact as high.