CVE-2023-0122

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-17 · updated 2026-06-17
Weakness: CWE-476

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 products

Linux kernel: 6.0-rc1, 6.0-rc2, 6.0-rc3

References

http://www.openwall.com/lists/oss-security/2023/01/18/1
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da0342a3aa0357795224e6283df86444e1117168
https://security.netapp.com/advisory/ntap-20230302-0002/
http://www.openwall.com/lists/oss-security/2023/01/18/1
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da0342a3aa0357795224e6283df86444e1117168
https://security.netapp.com/advisory/ntap-20230302-0002/

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