CVE-2026-98434

In the Linux kernel, the following vulnerability has been resolved: sysctl: Check range in proc_dointvec_ms_jiffies_minmax Add the range check to do_proc_int_conv_ms_jiffies_minmax that commit d174174c6776 ("sysctl: replace SYSCTL_INT_CONV_CUSTOM macro with functions") incorrectly removed.

Package Linux Kernel
Published 2026-10-18
Last modified 2026-10-18
Patch available
Yes

Affected versions

Linux kernel versions 7.0 and later are affected. Fixed in 7.2.8, 7.3 and their respective stable series.

Affected from
≥ 7.0
Fixed in
✓ 7.2.8 7.2.x ✓ 7.3

References

2 total

Frequently asked questions

  • What is CVE-2026-98434?

    CVE-2026-98434 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 7.0 onward and has been patched in 7.2.8 and 7.3. CVE-2026-98434 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-98434?

    Yes. CVE-2026-98434 has been patched. Fixed versions include 7.2.8 and 7.3. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-98434 actively exploited?

    No. CVE-2026-98434 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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