CVE-2026-31488

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 3.8% 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

Modified. 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

2026-04-22 13:54Z4 MO AGO

Last updated

2026-08-17 12:04Z18 DAYS AGO

Reserved

2026-03-09

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

No CWE assigned

Data version

5.2

Document digest

c2c6a31e446d0073a3bc407fbf4102c0d13a4b931a5c48ea0fd1c2916a031d99

• git.kernel.orghttps://git.kernel.org/stable/c/da1d0ed31e9802fd99384f43cc63678a5a11cb41
• git.kernel.orghttps://git.kernel.org/stable/c/21159d8b335a6b9f44cbb506733013a902ae2da4
• git.kernel.orghttps://git.kernel.org/stable/c/10862e344b4d6434642a48c87d765813fc0b0ba7
• git.kernel.orghttps://git.kernel.org/stable/c/8a5edc97fd9c6415ff2eff872748439a97e3c3d8
• git.kernel.orghttps://git.kernel.org/stable/c/111208b5b7ebcdadb3f922cc52d8425f0fa91b33
• git.kernel.orghttps://git.kernel.org/stable/c/aed3d041ab061ec8a64f50a3edda0f4db7280025
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-31488vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2460619https://bugzilla.redhat.com/show_bug.cgi?id=2460619issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31488.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:55445vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:53330vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:47739vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:43231vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:44385vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:30848vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:27353vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:47869vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:27354vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:47632vendor-advisoryx_refsource_REDHAT