CVE-2026-23121

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.1% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-02-14 15:09Z6 MO AGO

Last updated

2026-06-11 17:53Z2 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

fa2ca3f13cf0e8fe091dd51bcbccb6ade659e235cf4987f4d428c15d96ded32b

• git.kernel.orghttps://git.kernel.org/stable/c/d5d99cb9e0839093cd53aa3b28176fce2f820ca0
• git.kernel.orghttps://git.kernel.org/stable/c/13f3b3b87068898056db4c79ee67052fbde11d43
• git.kernel.orghttps://git.kernel.org/stable/c/accc3f8266d2a49881dbcf78c459477f4efa0ff3
• git.kernel.orghttps://git.kernel.org/stable/c/fc8ba17fd3337bd8b1913c30b95df0fee00d8fb7
• git.kernel.orghttps://git.kernel.org/stable/c/aa6e33cd74ca4965f2bbcb025e0b672fb0168a69
• git.kernel.orghttps://git.kernel.org/stable/c/7ac345a93af31358e18e9606eb7b354691bf6757
• git.kernel.orghttps://git.kernel.org/stable/c/8175dbf174d487afab81e936a862a8d9b8a1ccb6