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CVE-2026-90173

🗓️ 17 Sep 2026 16:07:00Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 28 Views

Use-after-free in Linux kernel smbdirect when freeing CQs with ib_destroy_cq instead of ib_free_cq.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-90173
18 Sep 202618:20
–circl
cvelist
Cvelist
CVE-2026-90173 smb: smbdirect: free completion queues with ib_free_cq()
17 Sep 202616:07
–cvelist
debiancve
Debian CVE
CVE-2026-90173
17 Sep 202616:07
–debiancve
euvd
EUVD
EUVD-2026-81766
17 Sep 202616:07
–euvd
nvd
NVD
CVE-2026-90173
17 Sep 202617:17
–nvd
osv
OSV
BELL-CVE-2026-90173 CVE-2026-90173 does not affect BellSoft software
19 Sep 202606:06
–osv
osv
OSV
DEBIAN-CVE-2026-90173
17 Sep 202617:17
–osv
osv
OSV
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-90173
17 Sep 202617:17
–osv
ptsecurity
Positive Technologies
PT-2026-94521
17 Sep 202600:00
–ptsecurity
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.1–7.2.6
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/smbdirect/connection.c"
    ],
    "versions": [
      {
        "version": "6073eb3e31756d569c4853fb22724525739d0e0c",
        "lessThan": "8a953b1a47fffb71e70767bc1e914401e3c2f27f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6073eb3e31756d569c4853fb22724525739d0e0c",
        "lessThan": "fe2c0cacbcff9d56c03b296f68f22151c4223b04",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/smbdirect/connection.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "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 18:17Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.19.8
EPSS0.00553
28