Back to CVE records
Medium 5.5Published May 6, 2026

CVE-2026-43160mfd: macsmc: Initialize mutex

Updated under an hour ago ()

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

In the Linux kernel, the following vulnerability has been resolved: mfd: macsmc: Initialize mutex Initialize struct apple_smc's mutex in apple_smc_probe(). Using the mutex uninitialized surprisingly resulted only in occasional NULL pointer dereferences in apple_smc_read() calls from the probe() functions of sub devices.

CVSS
5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Analyzed
Record last updated
May 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from e038d985c9823a12cd64fa077d0c5aca2c644b67 before a1e9e299c0d9ea42ab1067b39fb72e976d3f1bdb; from e038d985c9823a12cd64fa077d0c5aca2c644b67 before 2d5932588f029f7787f52c29174fead9bbc6b2cf; from e038d985c9823a12cd64fa077d0c5aca2c644b67 before 414f65d6736342c77d4ec5e7373039f4a09250dd
CNA record
linux linux_kernel
linux:linux_kernel
from 6.17 before 6.18.16; from 6.19 before 6.19.6
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.