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CVE-2026-93078 cxl/features: Reject Set Features output buffer smaller than the header

🗓️ 17 Sep 2026 16:10:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Local write through poison pointer in Linux kernel cxl/features when output buffer too small.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93078
17 Sep 202616:10
cve
debiancve
Debian CVE
CVE-2026-93078
17 Sep 202616:10
debiancve
euvd
EUVD
EUVD-2026-82188
17 Sep 202616:10
euvd
nvd
NVD
CVE-2026-93078
17 Sep 202617:18
nvd
osv
OSV
BELL-CVE-2026-93078
19 Sep 202606:06
osv
osv
OSV
DEBIAN-CVE-2026-93078
17 Sep 202617:18
osv
osv
OSV
UBUNTU-CVE-2026-93078
18 Sep 202600:00
osv
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-93078
18 Sep 202600:00
nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cxl/core/features.c"
    ],
    "versions": [
      {
        "version": "eb5dfcb9e36d0e46089fec777d911313c1876fa3",
        "lessThan": "1281dc84c81577b51e2b61c24617c9f44b2cdb99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb5dfcb9e36d0e46089fec777d911313c1876fa3",
        "lessThan": "16b7c99eff030c6ea11ca24efa4b9f989cc74093",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb5dfcb9e36d0e46089fec777d911313c1876fa3",
        "lessThan": "cde18d6c1d913a67ab0afd3d9475ece4be79da50",
        "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/cxl/core/features.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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