CVE-2026-45865 mctp i2c: initialise event handler read bytes

🗓️ 27 May 2026 12:15:45Reported by GoogleType

osv

osv🔗 osv.dev👁 1 Views

Linux kernel fix: set 0xff for i2c reads on mctp-i2c devices to avoid uninitialized data.

Reporter	Title	Published	Views	Family All 35
AstraLinux	Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12	24 Jun 202615:11	–	astralinux
Circl	CVE-2026-45865	2 Jul 202606:20	–	circl
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-45865	27 May 202612:15	–	cve
Cvelist	CVE-2026-45865 mctp i2c: initialise event handler read bytes	27 May 202612:15	–	cvelist
Debian CVE	CVE-2026-45865	27 May 202612:15	–	debiancve
EUVD	EUVD-2026-32331	27 May 202615:33	–	euvd
NVD	CVE-2026-45865	27 May 202614:16	–	nvd
OSV	BELL-CVE-2026-45865	29 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-45865	27 May 202614:16	–	osv

Source	Link
git	www.git.kernel.org/stable/c/11f83253244060b5de5eac787f61ae3f3e559d01
git	www.git.kernel.org/stable/c/1eeedb310229bfee9dd4d992e5bba33fe1378a8f
git	www.git.kernel.org/stable/c/2a14e91b6d76639dac70ea170f4384c1ee3cb48d
git	www.git.kernel.org/stable/c/6ff2ebfef75fbc57d937d8fbe738b967edf2d331
git	www.git.kernel.org/stable/c/93e01e837e105299f1c259ef71f6e1ec4fe806e3
git	www.git.kernel.org/stable/c/fa9861e5c8af7651dddfa8d490aaada17ae33b6c
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45865.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-45865
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

08 Jul 2026 08:02Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.15.5

EPSS0.00156

linux kernel mctp i2c reads bytes uninitialized data