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CVE-2026-98409

Linux: watchdog: rtd119x: Avoid division by zero

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)0.21%Chance of exploitation activity in the next 30 days, higher than 10% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in757c721545b9ffac5c3042a0cd3685ea28af7e81Also 1f22001b34984350844d629862f70934770cb796, 8a12e049d517d7dee78500633f8f0e47262a67e0 and 1 moreCVE List
Published14 Oct 2026Updated 19 Oct 2026CVE List

What fixes it

  • 757c721545b9ffac5c3042a0cd3685ea28af7e81LinuxCVE List
  • 1f22001b34984350844d629862f70934770cb796LinuxCVE List
  • 8a12e049d517d7dee78500633f8f0e47262a67e0LinuxCVE List
  • 5af7d2cbd20f893def03c8310a460ade66a5d822LinuxCVE 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:

watchdog: rtd119x: Avoid division by zero

clk_get_rate() could return 0. Avoid a division by zero panic.

Text from CVE List

Affected versions 12

  • Linuxaffected: 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 before 757c721545b9ffac5c3042a0cd3685ea28af7e81CVE List
  • Linuxaffected: 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 before 1f22001b34984350844d629862f70934770cb796CVE List
  • Linuxaffected: 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 before b4ede87765a2e58ca4f18f5f8037c4826b9cc93fCVE List
  • Linuxaffected: 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 before 8a12e049d517d7dee78500633f8f0e47262a67e0CVE List
  • Linuxaffected: 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 before 5af7d2cbd20f893def03c8310a460ade66a5d822CVE List
  • Linuxaffected: 4.16CVE List
  • Linuxunaffected: all versions before 4.16CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.112 through 6.12.*CVE List
  • Linuxunaffected: 6.18.54 through 6.18.*CVE List
  • Linuxunaffected: 7.2.8 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 5