All vulnerabilities
CVE-2026-93213

Linux: of: fix out-of-bounds read in of_alias_scan() stem parser

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64Also 96a9c984dd7c3589a2707a32b62802f98311dbfd, 9253cfc5a85be1494ce56b4fc6f2d2b509440910 and 1 moreCVE List
Published24 Sep 2026Updated 19 Oct 2026CVE List

What fixes it

  • 958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64LinuxCVE List
  • 96a9c984dd7c3589a2707a32b62802f98311dbfdLinuxCVE List
  • 9253cfc5a85be1494ce56b4fc6f2d2b509440910LinuxCVE List
  • 5bb01c657ff9fc807c2c592ca18af34c4fc3bc6fLinuxCVE 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:

of: fix out-of-bounds read in of_alias_scan() stem parser

The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.

Text from CVE List

Affected versions 18

  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before fd0c7bbda81c0e0c1cb7b68d267b87371584f560CVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before 958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64CVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before f7f6c3e32a31f2e1ed12075e8cd22b370a84e67aCVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before da7a80ddc610a19b0378016a4d816b9355f013a7CVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before 96a9c984dd7c3589a2707a32b62802f98311dbfdCVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before 9253cfc5a85be1494ce56b4fc6f2d2b509440910CVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before acd1b49043366f43e932308b4db7d3ce568eeadbCVE List
  • Linuxaffected: 611cad720148c899db5a383c1c676fd820df7023 before 5bb01c657ff9fc807c2c592ca18af34c4fc3bc6fCVE List
  • Linuxaffected: 3.2CVE List
  • Linuxunaffected: all versions before 3.2CVE List
  • Linuxunaffected: 5.10.270 through 5.10.*CVE List
  • Linuxunaffected: 5.15.221 through 5.15.*CVE List
  • Linuxunaffected: 6.1.188 through 6.1.*CVE List
  • Linuxunaffected: 6.6.157 through 6.6.*CVE List
  • Linuxunaffected: 6.12.109 through 6.12.*CVE List
  • Linuxunaffected: 6.18.50 through 6.18.*CVE List
  • Linuxunaffected: 7.2.4 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 8