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Vulnerability details: VCID-xfew-wxwz-yka3
Vulnerability ID VCID-xfew-wxwz-yka3
Aliases CVE-2026-31787
XSA-487
Summary Linux kernel double free in Xen privcmd driver
Status Published
Exploitability 0.5
Weighted Severity 6.3
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-763 Release of Invalid Pointer or Reference
System Score Found at
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31787.json
epss 0.00013 https://api.first.org/data/v1/epss?cve=CVE-2026-31787
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2026-31787
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31787.json
https://api.first.org/data/v1/epss?cve=CVE-2026-31787
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31787
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2464092 https://bugzilla.redhat.com/show_bug.cgi?id=2464092
XSA-487 https://xenbits.xen.org/xsa/advisory-487.html
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31787.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.02023
EPSS Score 0.00013
Published At May 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-28T20:04:20.836081+00:00 Xen Importer Import https://xenbits.xen.org/xsa/advisory-487.html 38.4.0