The vulnerability of the i2cdev_ioctl() function in the drivers/i2c/i2c-dev.c file of the I2C driver for the Linux operating system allows a hacker to cause a service failure.

🗓️ 04 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

bdu_fstec🔗 bdu.fstec.ru👁 2 Views

Integer overflow in i2cdev_ioctl() of Linux I2C driver allows denial of service.

Reporter	Title	Published	Views	Family All 57
ATTACKERKB	CVE-2026-52948	24 Jun 202616:26	–	attackerkb
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)	8 Jul 202600:00	–	nessus
Tenable Nessus	Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update	3 Jul 202600:00	–	nessus
Tenable Nessus	Debian dla-4665 : affs-modules-6.1.0-48-4kc-malta-di - security update	3 Jul 202600:00	–	nessus
Tenable Nessus	Debian dla-4671 : linux-config-6.1 - security update	6 Jul 202600:00	–	nessus
Tenable Nessus	openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21555-1)	13 Aug 202600:00	–	nessus
Tenable Nessus	Photon OS 4.0: Linux PHSA-2026-4.0-1054	10 Jul 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-0904	28 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-0926	24 Jul 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-91-0904	5 Aug 202600:00	–	nessus

Vulners

Node

OR

red_hat,red_hat_enterprise_linuxMatch7

red_hat,red_hat_enterprise_linuxMatch8

red_hat,red_hat_enterprise_linuxMatch9

red_hat,red_hat_enterprise_linuxMatch10

Source	Link
cve	www.cve.org/CVERecord
git	www.git.kernel.org/stable/c/e9ffd5f5050fbb199d270a85614cd27ebed6fbac
git	www.git.kernel.org/stable/c/0b88ecfbc9dc33b4db8836c37b50cf174e6c0691
git	www.git.kernel.org/stable/c/943e318eedbeaeea08ece3f5dd44c982f4ed2ef5
git	www.git.kernel.org/stable/c/aa6ef734016912653a909477fb30aeb66c98b3a2
git	www.git.kernel.org/stable/c/ff02add34ffd03449b8115904ebe2ec4fed022d4
git	www.git.kernel.org/stable/c/ffbcf31f032eb454ebfd29309f51366fe57f4ac4
git	www.git.kernel.org/stable/c/4576621dc6577f21a032acfd16c3ad61907a5ea7
git	www.git.kernel.org/linus/617eb7c0961a8dfcfc811844a6396e406b2923ea
security-tracker	www.security-tracker.debian.org/tracker/CVE-2026-52948

04 Sep 2026 00:00Current

4.3Medium risk

Vulners AI Score4.3

CVSS 24.6

CVSS 35.5

EPSS0.00129

Linux I2C driver integer overflow cyclic shift denial of service i2cdev_ioctl