COSMOS INTELLIGENCE SYSTEM·NVD SYNC: IDLE·KEV: 0 ENTRIES·RATE: 0/HR0%·LAST SYNC:

02:59:51 PM NPT

Intelligence News Scholarships Blog Resources Events Certificates Arsenal Tools About

LIVE

// intelligence feed

Cybersecurity intelligence, research, and operational infrastructure.

Platform

Home
Intelligence
News
Digest
Scholarships
Blog
Resources
Events
Certificates
Arsenal
Tools
About

Connect

GitHub
LinkedIn
Email

© 2026 COSMOS. Built in public.// all systems operational

COSMOS INTELLIGENCE SYSTEM·NVD SYNC: IDLE·KEV: 0 ENTRIES·RATE: 0/HR0%·LAST SYNC:

02:59:51 PM NPT

Intelligence News Scholarships Blog Resources Events Certificates Arsenal Tools About

LIVE

// cve detail

Cybersecurity intelligence, research, and operational infrastructure.

Platform

Home
Intelligence
News
Digest
Scholarships
Blog
Resources
Events
Certificates
Arsenal
Tools
About

Connect

GitHub
LinkedIn
Email

© 2026 COSMOS. Built in public.// all systems operational

CVE-2026-31431 | COSMOS

COSMOS INTELLIGENCE SYSTEM·NVD SYNC: IDLE·KEV: 0 ENTRIES·RATE: 0/HR0%·LAST SYNC:

02:59:52 PM NPT

Intelligence News Scholarships Blog Resources Events Certificates Arsenal Tools About

LIVE

All intelligence

// vulnerability record

cached · NVD via COSMOS sync

CVE-2026-31431

HIGHKEV

published 2026-04-22 09:16 UTC · 2 months ago · modified 2026-05-21 19:52 UTC

7.8

CVSS / 10

// description

Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.

// cvss 3.1 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

// required action (CISA KEV)

"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

added 2026-05-01 00:00 UTC

// weaknesses (CWE)

CWE-669

// references (86)

https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c
https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc
https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667
https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82
https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b

Cybersecurity intelligence, research, and operational infrastructure.

Platform

Home
Intelligence
News
Digest
Scholarships
Blog
Resources

https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5

https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237

https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8

http://www.openwall.com/lists/oss-security/2026/04/29/23

http://www.openwall.com/lists/oss-security/2026/04/29/25

http://www.openwall.com/lists/oss-security/2026/04/29/26

http://www.openwall.com/lists/oss-security/2026/04/30/10

http://www.openwall.com/lists/oss-security/2026/04/30/11

http://www.openwall.com/lists/oss-security/2026/04/30/12

http://www.openwall.com/lists/oss-security/2026/04/30/14

http://www.openwall.com/lists/oss-security/2026/04/30/15

http://www.openwall.com/lists/oss-security/2026/04/30/16

http://www.openwall.com/lists/oss-security/2026/04/30/17

http://www.openwall.com/lists/oss-security/2026/04/30/18

http://www.openwall.com/lists/oss-security/2026/04/30/2

http://www.openwall.com/lists/oss-security/2026/04/30/20

http://www.openwall.com/lists/oss-security/2026/04/30/5

http://www.openwall.com/lists/oss-security/2026/04/30/6

http://www.openwall.com/lists/oss-security/2026/05/01/10

http://www.openwall.com/lists/oss-security/2026/05/01/12

http://www.openwall.com/lists/oss-security/2026/05/01/15

http://www.openwall.com/lists/oss-security/2026/05/01/16

http://www.openwall.com/lists/oss-security/2026/05/01/17

http://www.openwall.com/lists/oss-security/2026/05/01/18

http://www.openwall.com/lists/oss-security/2026/05/01/2

http://www.openwall.com/lists/oss-security/2026/05/01/22

http://www.openwall.com/lists/oss-security/2026/05/01/23

http://www.openwall.com/lists/oss-security/2026/05/01/24

http://www.openwall.com/lists/oss-security/2026/05/01/3

http://www.openwall.com/lists/oss-security/2026/05/02/14

http://www.openwall.com/lists/oss-security/2026/05/02/15

http://www.openwall.com/lists/oss-security/2026/05/02/16

http://www.openwall.com/lists/oss-security/2026/05/02/17

http://www.openwall.com/lists/oss-security/2026/05/02/18

http://www.openwall.com/lists/oss-security/2026/05/02/19

http://www.openwall.com/lists/oss-security/2026/05/02/20

http://www.openwall.com/lists/oss-security/2026/05/02/21

http://www.openwall.com/lists/oss-security/2026/05/02/23

http://www.openwall.com/lists/oss-security/2026/05/02/24

http://www.openwall.com/lists/oss-security/2026/05/02/25

http://www.openwall.com/lists/oss-security/2026/05/02/4

http://www.openwall.com/lists/oss-security/2026/05/02/5

http://www.openwall.com/lists/oss-security/2026/05/02/6

http://www.openwall.com/lists/oss-security/2026/05/02/7

http://www.openwall.com/lists/oss-security/2026/05/02/8

http://www.openwall.com/lists/oss-security/2026/05/03/10

http://www.openwall.com/lists/oss-security/2026/05/03/12

http://www.openwall.com/lists/oss-security/2026/05/03/13

http://www.openwall.com/lists/oss-security/2026/05/03/3

http://www.openwall.com/lists/oss-security/2026/05/03/4

http://www.openwall.com/lists/oss-security/2026/05/03/5

http://www.openwall.com/lists/oss-security/2026/05/03/6

http://www.openwall.com/lists/oss-security/2026/05/04/1

http://www.openwall.com/lists/oss-security/2026/05/04/10

http://www.openwall.com/lists/oss-security/2026/05/04/11

http://www.openwall.com/lists/oss-security/2026/05/04/12

http://www.openwall.com/lists/oss-security/2026/05/04/13

http://www.openwall.com/lists/oss-security/2026/05/04/14

http://www.openwall.com/lists/oss-security/2026/05/04/2

http://www.openwall.com/lists/oss-security/2026/05/04/24

http://www.openwall.com/lists/oss-security/2026/05/04/27

http://www.openwall.com/lists/oss-security/2026/05/04/28

http://www.openwall.com/lists/oss-security/2026/05/04/29

http://www.openwall.com/lists/oss-security/2026/05/04/31

http://www.openwall.com/lists/oss-security/2026/05/04/8

http://www.openwall.com/lists/oss-security/2026/05/04/9

http://www.openwall.com/lists/oss-security/2026/05/06/5

http://www.openwall.com/lists/oss-security/2026/05/07/12

http://www.openwall.com/lists/oss-security/2026/05/07/2

http://www.openwall.com/lists/oss-security/2026/05/08/13

http://www.openwall.com/lists/oss-security/2026/05/18/3

https://copy.fail

https://websec.net/blog/cve-2026-31431-linux-algifaead-page-cache-write-to-root-69f38a4ccddd2db1f520f170

https://www.kb.cert.org/vuls/id/260001

https://access.redhat.com/security/cve/cve-2026-31431#cve-details-mitigation

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

https://cert-portal.siemens.com/productcert/html/ssa-265688.html

https://github.com/theori-io/copy-fail-CVE-2026-31431

https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-31431

https://xint.io/blog/copy-fail-linux-distributions#the-fix-6

Connect

GitHub
LinkedIn
Email

© 2026 COSMOS. Built in public.// all systems operational