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CVE-2023-0122

25
FAUCET Score

CVE-2023-0122 is a NULL pointer dereference vulnerability in the Linux kernel's NVMe functionality (nvmet_setup_auth()), affecting versions v6.0-rc1 through v6.0-rc3. This flaw allows an unauthenticated attacker to remotely trigger a Denial of Service (DoS) on vulnerable systems. Rated with a CVSS score of 7.5 (HIGH), it requires no user interaction and has low attack complexity, leading to a complete loss of availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 46th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2023-0122Moderate

kernel: NVME driver: null pointer dereference in drivers/nvme/target/auth.c

Aug 24, 2022

References

git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
Mailing ListPatchVendor Advisory
security.netapp.com / advisory/ntap-20230302-0002
openwall.com / lists/oss-security/2023/01/18/1
Mailing ListThird Party Advisory