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CVE-2026-90324 ublk: check import_ubuf() return value

🗓️ 17 Sep 2026 16:08:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Linux kernel ublk passes uninitialized iov_iter when import_ubuf() fails on invalid address range.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-90324
17 Sep 202616:08
cve
debiancve
Debian CVE
CVE-2026-90324
17 Sep 202616:08
debiancve
euvd
EUVD
EUVD-2026-81985
17 Sep 202616:08
euvd
nvd
NVD
CVE-2026-90324
17 Sep 202617:17
nvd
osv
OSV
AZL-101900 CVE-2026-90324 affecting package kernel 6.6.150.1-1
17 Sep 202617:17
osv
osv
OSV
DEBIAN-CVE-2026-90324
17 Sep 202617:17
osv
osv
OSV
UBUNTU-CVE-2026-90324
18 Sep 202600:00
osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/ublk_drv.c"
    ],
    "versions": [
      {
        "version": "981f95a571e3ca20a496c0b77dbf6b06039c6648",
        "lessThan": "0121c84adb6a4cd6f7560b5895bd88f9899bbc1f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "981f95a571e3ca20a496c0b77dbf6b06039c6648",
        "lessThan": "5ac6019cb78e98c9608fda72726b36ddf8474dd7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "981f95a571e3ca20a496c0b77dbf6b06039c6648",
        "lessThan": "3831568792af75b6523fa93bb91560e29189cf55",
        "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/block/ublk_drv.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "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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18 Sep 2026 17:54Current
CVSS 3.17.8
EPSS0.00198
33