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

🗓️ 27 May 2026 12:15:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Linux kernel fix for mctp over interconnect reads returning uninitialized bytes by forcing zeroxff on reads.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1
10 Aug 202607:11
astralinux
circl
Circl
CVE-2026-45865
2 Jul 202606:20
circl
cnnvd
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
cve
CVE
CVE-2026-45865
27 May 202612:15
cve
debiancve
Debian CVE
CVE-2026-45865
27 May 202612:15
debiancve
euvd
EUVD
EUVD-2026-32331
27 May 202615:33
euvd
nvd
NVD
CVE-2026-45865
27 May 202614:16
nvd
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
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0837
16 Jun 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0842
9 May 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/mctp/mctp-i2c.c"
    ],
    "versions": [
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "93e01e837e105299f1c259ef71f6e1ec4fe806e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "11f83253244060b5de5eac787f61ae3f3e559d01",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "fa9861e5c8af7651dddfa8d490aaada17ae33b6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "6ff2ebfef75fbc57d937d8fbe738b967edf2d331",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "1eeedb310229bfee9dd4d992e5bba33fe1378a8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
        "lessThan": "2a14e91b6d76639dac70ea170f4384c1ee3cb48d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/mctp/mctp-i2c.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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