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CVE-2026-53383

🗓️ 19 Jul 2026 11:59:31Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 72 Views

CVE-2026-53383: ksmbd rejects non-first compound operations on invalid sessions to prevent null dereference.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-53383
19 Jul 202611:59
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.1
5 Oct 202611:39
–astralinux
circl
Circl
CVE-2026-53383
15 Sep 202612:46
–circl
cvelist
Cvelist
CVE-2026-53383 ksmbd: reject non-VALID session in compound request branch
19 Jul 202611:59
–cvelist
debian
Debian
[SECURITY] [DLA 4700-1] linux-6.1 security update
26 Jul 202610:42
–debian
debiancve
Debian CVE
CVE-2026-53383
19 Jul 202611:59
–debiancve
nessus
Tenable Nessus
Debian dla-4700 : linux-config-6.1 - security update
26 Jul 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0916
9 Jul 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0926
24 Jul 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0916
10 Aug 202600:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.15.121–5.15.211
linuxlinux_kernelRange6.1.36–6.1.177
linuxlinux_kernelRange6.3.10–6.4
linuxlinux_kernelRange6.4.1–6.6.144
linuxlinux_kernelRange6.7–6.12.95
linuxlinux_kernelRange6.13–6.18.37
linuxlinux_kernelRange6.19–7.0.14
linuxlinux_kernelRange7.1–7.1.2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "eb947403518ea3d93f6d89264bb1f5416bb0c7d0",
        "lessThan": "25ff12b82a376ff5c4583102a63d2456a6b9ebb9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "854156d12caa9d36de1cf5f084591c7686cc8a9d",
        "lessThan": "fc578523a72cb8b329d32070b95898e81613cc3f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "d2bbbb6c55812220fee5d801c275cc267ea3cbeb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "8f0302fb691537d33ec8f668565257ea9d340ffe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "7cad3ceaf679c55bc9946685dacafce78ce6b51a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "06e1f05a1dbe8bbd054c0927b17fc0a61cc8bef7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "5f983b864d3d473ac533b2f4f44a1bbe5dcbccf4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5005bcb4219156f1bf7587b185080ec1da08518e",
        "lessThan": "609ca17d869d04ba249e32cdcbf13c0b1c66f43c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1066c1b3663401cd23c0d6e60cdae750ce00c0f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.121",
        "lessThan": "5.15.211",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.36",
        "lessThan": "6.1.177",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.3.10",
        "lessThan": "6.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.211",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.37",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.14",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.2",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00664
72