CVE-2026-46173

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.7% 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

Modified. 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

2026-05-28 09:36Z3 MO AGO

Last updated

2026-08-05 12:30Z1 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-787Out-of-bounds WriteBase
• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

946de5d797ffa1aee9a144a22a12a087d690a427ec764dd3a3d926c9b5d7b382

• git.kernel.orghttps://git.kernel.org/stable/c/3d6fb8a7690c23e3213c4b008f64d89a44b98737
• git.kernel.orghttps://git.kernel.org/stable/c/640b4c00fb0e2920327435f6176cbefc3c546165
• git.kernel.orghttps://git.kernel.org/stable/c/7b2800ba5f5f77a8ee7f4cbadb19cf1264597a34
• git.kernel.orghttps://git.kernel.org/stable/c/6f49f94f3b11fe8bff1bf2a054143789e76aaf17
• git.kernel.orghttps://git.kernel.org/stable/c/9756b3db5db6c2f5eccb32dddbd88eb4c54f575e
• git.kernel.orghttps://git.kernel.org/stable/c/c1fa0bb633e4a6b11e83ffc57fa5abe8ebb87891
• project-zero.issues.chromium.orghttps://project-zero.issues.chromium.org/issues/510793286