Linux kernel WARN suppression bug in kthread_run invocation
CVE-2026-98147 Published on September 25, 2026
printk: Don't WARN on kthread_run failure.
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.
Products Associated with CVE-2026-98147
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Affected Versions
Linux:- Version 76f258bf3f2aae570209319944703a92ac64e29e and below 4e676279798148382497d0e38c0bd51115e64be1 is affected.
- Version 76f258bf3f2aae570209319944703a92ac64e29e and below 72dd0ec09e7cc98ed58ddeac26575e5d1ab8a93d is affected.
- Version 6.12 is affected.
- Before 6.12 is unaffected.
- Version 7.2.7, <= 7.2.* is unaffected.
- Version 7.3-rc3, <= * is unaffected.