CVE-2022-47929: linux kernel before 6.1.6 (exclusive); +3 more affected products

Affected technology

linux kernel · before 6.1.6 (exclusive)
linux

debian linux · 11.0
debian

n/a · n/a
Vendor not specified by the source

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

Description’s affected range: before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem

Component: Not specified by the source

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

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

An unprivileged user can trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high.