CVE-2026-23306

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

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

2026-03-25 10:27Z5 MO AGO

Last updated

2026-08-05 12:21Z1 MO AGO

Reserved

2026-01-13

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-416Use After FreeVariant
• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

6ad840fde8dc1d505692500578fc0ca5d7990c528ee2b142ea60d074f48598f0

• git.kernel.orghttps://git.kernel.org/stable/c/ebbb852ffbc952b95ddb7e3872b67b3e74c6da47
• git.kernel.orghttps://git.kernel.org/stable/c/8b00427317ba7b7ec91252b034009f638d0f311b
• git.kernel.orghttps://git.kernel.org/stable/c/c5dc39f8ae055520fd778b7fb0423f11586f15c4
• git.kernel.orghttps://git.kernel.org/stable/c/824a7672e3540962d5c77d4c6666254d7aa6f0b3
• git.kernel.orghttps://git.kernel.org/stable/c/227ff4af00abc40b95123cc27ee8079069dcd8d7
• git.kernel.orghttps://git.kernel.org/stable/c/38353c26db28efd984f51d426eac2396d299cca7