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CVE-2026-97509

Linux: thunderbolt: Keep XDomain reference during the lifetime of a service

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.24%Chance of exploitation activity in the next 30 days, higher than 14% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9fAlso 8ab12d015884b8aa85ea7ed58c5a0bae4264fe60, 8b4060998637f06975fceee9b73845d8672d411eCVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9fLinuxCVE List
  • 8ab12d015884b8aa85ea7ed58c5a0bae4264fe60LinuxCVE List
  • 8b4060998637f06975fceee9b73845d8672d411eLinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

In the Linux kernel, the following vulnerability has been resolved:

thunderbolt: Keep XDomain reference during the lifetime of a service

This is needed because we release the service ID in tb_service_release() and the ID array is owned by the parent XDomain.

Text from CVE List

Affected versions 16

  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before a4567e5380e4e46d0ea9a28d2d675e5c6f013d54CVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before daeaa6c7211d03ed061b0dd22a875fad9372b090CVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before cca72fe513f3d6b1279fe83483f8a8990adbe0c6CVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before 57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9fCVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before 8ab12d015884b8aa85ea7ed58c5a0bae4264fe60CVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7CVE List
  • Linuxaffected: d1ff70241a275133e1a0258b7c23588b122276c8 before 8b4060998637f06975fceee9b73845d8672d411eCVE List
  • Linuxaffected: 4.15CVE List
  • Linuxunaffected: all versions before 4.15CVE List
  • Linuxunaffected: 5.10.266 through 5.10.*CVE List
  • Linuxunaffected: 5.15.217 through 5.15.*CVE List
  • Linuxunaffected: 6.1.189 through 6.1.*CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 7