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CVE-2026-31608

🗓️ 24 Apr 2026 14:42:30Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 37 Views

Fixed double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list in Linux kernel SMB server.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-31608
24 Apr 202614:42
attackerkb
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
Chainguard
CVE-2026-31608 vulnerabilities
16 May 202601:18
cgr
Circl
CVE-2026-31608
2 Jul 202605:49
circl
CNNVD
Linux kernel 安全漏洞
24 Apr 202600:00
cnnvd
Cvelist
CVE-2026-31608 smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()
24 Apr 202614:42
cvelist
Debian CVE
CVE-2026-31608
24 Apr 202614:42
debiancve
EUVD
EUVD-2026-25501
24 Apr 202614:42
euvd
Microsoft CVE
smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()
26 Apr 202608:05
mscve
NVD
CVE-2026-31608
24 Apr 202615:16
nvd
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange<6.18.24
OR
linuxlinux_kernelRange6.196.19.14
OR
linuxlinux_kernelRange7.07.0.1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/transport_rdma.c"
    ],
    "versions": [
      {
        "version": "5ef18a2e66f2f33fdac64437bddfb9fe6389fdc7",
        "lessThan": "6968c91fab05b8fc4d6700e0cf34472bb422df25",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "79242e7b6bc63efec28b7c235bc320806afce6c0",
        "lessThan": "2ba03f46132b0d1a7bafb86e1ef61951a2254023",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34abd408c8ba24d7c97bd02ba874d8c714f49db1",
        "lessThan": "830de6eeb9db4cb7e758201fb99328ef4ca4b032",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34abd408c8ba24d7c97bd02ba874d8c714f49db1",
        "lessThan": "84ff995ae826aa6bbcc6c7b9ea569ff67c021d72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.18.11",
        "lessThan": "6.18.24",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.1",
        "lessThan": "6.19.14",
        "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/transport_rdma.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 10:34Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.19.8
EPSS0.00457
37