CVE-2026-46253

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.5% 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 2026-07-22.

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

2026-06-03 15:49Z3 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

Data version

5.2

Document digest

4ef9bb9835dfc98a145d11b4679413770e9b6360acf73ac8e01d54fa43292aa3

• git.kernel.orghttps://git.kernel.org/stable/c/58bda5a1d1ee98254383ef34f76b2c35140513ea
• git.kernel.orghttps://git.kernel.org/stable/c/06d2c8bd108cea503f6f6e13e47495ed1085275f
• git.kernel.orghttps://git.kernel.org/stable/c/2fa9a047c6a50ec80c3890dd623b85e237f0d1fd
• git.kernel.orghttps://git.kernel.org/stable/c/cff0ef043e16feb5a02307c8f9d0117a96c5587c
• git.kernel.orghttps://git.kernel.org/stable/c/9a6fc69a570c0780834246d52c856cc3dbc2605f
• git.kernel.orghttps://git.kernel.org/stable/c/4f73486ca822305c1cf5b8ebc0b53a6ab3801a81
• git.kernel.orghttps://git.kernel.org/stable/c/7cfe964e61c0ab667abd5f5b68e0acbf783efa4f
• git.kernel.orghttps://git.kernel.org/stable/c/5669645c052f235726a85f443769b6fc02f66762