Medium 5.5Published Apr 24, 2026

CVE-2026-31549i2c: cp2615: fix serial string NULL-deref at probe

Updated under an hour ago (Oct 28, 2026, 12:40 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: i2c: cp2615: fix serial string NULL-deref at probe The cp2615 driver uses the USB device serial string as the i2c adapter name but does not make sure that the string exists. Verify that the device has a serial number before accessing it to avoid triggering a NULL-pointer dereference (e.g. with malicious 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 4a7695429eade517b07ea72f9ec366130e81a076 before e68c267787778bcdf3d91b06f794faaba7f0d1d1; 4a7695429eade517b07ea72f9ec366130e81a076 builds before 4a22af879172336370ae3e81e7f65fb2f69472ee; from 4a7695429eade517b07ea72f9ec366130e81a076 before 69aece634a7eebafd9a596e5494d52facf6f26ec; from 4a7695429eade517b07ea72f9ec366130e81a076 before 13ccf9b106bba121728f1625c4375a1bd8f5c5a3; from 4a7695429eade517b07ea72f9ec366130e81a076 before a9778298f47036866ea15eeb17242e8a4612580f; from 4a7695429eade517b07ea72f9ec366130e81a076 before efe996bcfe50c2dcc6cf65c574285713b722ced7; from 4a7695429eade517b07ea72f9ec366130e81a076 before aa79f996eb41e95aed85a1bd7f56bcd6a3842008	CNA record
linux linux_kernel linux:linux_kernel	from 5.13.1 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.78; from 6.13 before 6.18.20; from 6.19 before 6.19.10; 5.13; 7.0; and 6 more ranges	NVD

References

References

https://git.kernel.org/stable/c/e68c267787778bcdf3d91b06f794faaba7f0d1d1	patch
https://git.kernel.org/stable/c/4a22af879172336370ae3e81e7f65fb2f69472ee	patch
https://git.kernel.org/stable/c/69aece634a7eebafd9a596e5494d52facf6f26ec	patch
https://git.kernel.org/stable/c/13ccf9b106bba121728f1625c4375a1bd8f5c5a3	patch
https://git.kernel.org/stable/c/a9778298f47036866ea15eeb17242e8a4612580f	patch
https://git.kernel.org/stable/c/efe996bcfe50c2dcc6cf65c574285713b722ced7	patch
https://git.kernel.org/stable/c/aa79f996eb41e95aed85a1bd7f56bcd6a3842008	patch

The CVE record on cve.org NVD's entry

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.