CVE-2026-45878

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.0% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-25.

Red Hat severity

Important. 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

2026-05-27 12:16Z3 MO AGO

Last updated

2026-08-05 12:28Z1 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-681Incorrect Conversion between Numeric TypesBase

Data version

5.2

Document digest

aa5fb1f005e3d33433d985b86f75180735c02b2ecf52b0dc20da5a0bc798f18d

• git.kernel.orghttps://git.kernel.org/stable/c/971bf8e61e9b4abaacf9b35eaf76ec222758f9d6
• git.kernel.orghttps://git.kernel.org/stable/c/a0d367e13db63a6ed76ee0d0a8c3a58c1fa98488
• git.kernel.orghttps://git.kernel.org/stable/c/2b36c0c1bcbbe15f6cfa9652084b3124c835a150
• git.kernel.orghttps://git.kernel.org/stable/c/3c38a0f07aa2bfef2b219b1f045534ad93f85afd
• git.kernel.orghttps://git.kernel.org/stable/c/5a19302cab5cec7ae7f1a60c619951e6c17d8742