All vulnerabilities
CVE-2026-93792

Linux: wifi: iwlwifi: mvm: fix a possible underflow

Linux LinuxOperating systems
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3ea815f401652003c2eec3b8969f74526f1342f0Also 38ad8339211bf24c19126ec7629ea52094676454, 83f32942a501c80f44b8a8f668bc8b56d5d0d43f and 1 moreCVE List
Published24 Sep 2026Updated 3 Oct 2026CVE List

What fixes it

  • 3ea815f401652003c2eec3b8969f74526f1342f0LinuxCVE List
  • 38ad8339211bf24c19126ec7629ea52094676454LinuxCVE List
  • 83f32942a501c80f44b8a8f668bc8b56d5d0d43fLinuxCVE List
  • 0cb5260a1027a43f8cdb961e128f2ddd42e46832LinuxCVE 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:

wifi: iwlwifi: mvm: fix a possible underflow

We shouldn't trust the firmware about the length of the wowlan packet.

Text from CVE List

Affected versions 10

  • Linuxaffected: f444eb10d537c776ce82fbcd07733d75f45346f1 before 3ea815f401652003c2eec3b8969f74526f1342f0CVE List
  • Linuxaffected: f444eb10d537c776ce82fbcd07733d75f45346f1 before 38ad8339211bf24c19126ec7629ea52094676454CVE List
  • Linuxaffected: f444eb10d537c776ce82fbcd07733d75f45346f1 before 83f32942a501c80f44b8a8f668bc8b56d5d0d43fCVE List
  • Linuxaffected: f444eb10d537c776ce82fbcd07733d75f45346f1 before 0cb5260a1027a43f8cdb961e128f2ddd42e46832CVE List
  • Linuxaffected: 3.9CVE List
  • Linuxunaffected: all versions before 3.9CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 4