CVE-2026-63824

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 2.8% 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

Awaiting Analysis. NVD last modified this record on 2026-08-17.

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

2026-07-19 12:02Z1 MO AGO

Last updated

2026-08-17 04:51Z19 DAYS AGO

Reserved

2026-07-19

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

86b9c21dd3f9fcfe8359ef673251b2f4be633ad1c5519d02273c9ac83df7e8a3

• git.kernel.orghttps://git.kernel.org/stable/c/622ec2dcd59f21623f2a7ab773c80ceb7d555e3a
• git.kernel.orghttps://git.kernel.org/stable/c/b1e247338bc71826a2d2def3e0874c34749df69a
• git.kernel.orghttps://git.kernel.org/stable/c/0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3
• git.kernel.orghttps://git.kernel.org/stable/c/5966e4e2ba213ab7ad559166152eb4f1f170dd2c
• git.kernel.orghttps://git.kernel.org/stable/c/5165f1cc727f1322456735df212d8e26ec237a8d
• git.kernel.orghttps://git.kernel.org/stable/c/b11c1fa32667692a2c0566e10163758e786e430c
• git.kernel.orghttps://git.kernel.org/stable/c/670fc6a311ed321522b7fff92cf0fc376b4f6e78
• git.kernel.orghttps://git.kernel.org/stable/c/cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b