Vulnerability · Published Jan 17, 2023 · Assigned by redhat

CVE-2023-0122

High 7.5

In plain English

A high-severity null pointer dereference in Kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 29.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A NULL pointer dereference vulnerability in the Linux kernel NVMe functionality, in nvmet_setup_auth(), allows an attacker to perform a Pre-Auth Denial of Service (DoS) attack on a remote machine. Affected versions v6.0-rc1 to v6.0-rc3, fixed in v6.0-rc4.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-0122

Affected products (as reported)

VendorProductVersions
n/a Kernel Linux kernel 6.0-rc4

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References