All vulnerabilities
CVE-2026-98147

Linux: printk: Don't WARN on kthread_run failure.

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)0.16%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in15ba35d632c38d879d182577b0af487de0f2dec4Also 0af43b52fe4b1751b731c067127fdf47cf1b700c, 4e676279798148382497d0e38c0bd51115e64be1 and 1 moreCVE List
Published25 Sep 2026Updated 21 Oct 2026CVE List

What fixes it

  • 15ba35d632c38d879d182577b0af487de0f2dec4LinuxCVE List
  • 0af43b52fe4b1751b731c067127fdf47cf1b700cLinuxCVE List
  • 4e676279798148382497d0e38c0bd51115e64be1LinuxCVE List
  • 72dd0ec09e7cc98ed58ddeac26575e5d1ab8a93dLinuxCVE 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:

printk: Don't WARN on kthread_run failure.

Since __kthread_create_on_node() returns -EINTR upon SIGKILL, we should not use WARN_ON() in order to catch kthread_run() failure.

Text from CVE List

Affected versions 10

  • Linuxaffected: 76f258bf3f2aae570209319944703a92ac64e29e before 15ba35d632c38d879d182577b0af487de0f2dec4CVE List
  • Linuxaffected: 76f258bf3f2aae570209319944703a92ac64e29e before 0af43b52fe4b1751b731c067127fdf47cf1b700cCVE List
  • Linuxaffected: 76f258bf3f2aae570209319944703a92ac64e29e before 4e676279798148382497d0e38c0bd51115e64be1CVE List
  • Linuxaffected: 76f258bf3f2aae570209319944703a92ac64e29e before 72dd0ec09e7cc98ed58ddeac26575e5d1ab8a93dCVE List
  • Linuxaffected: 6.12CVE List
  • Linuxunaffected: all versions before 6.12CVE List
  • Linuxunaffected: 6.12.114 through 6.12.*CVE List
  • Linuxunaffected: 6.18.57 through 6.18.*CVE List
  • Linuxunaffected: 7.2.7 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 4