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CVE-2026-31539 smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available

🗓️ 24 Apr 2026 14:30:26Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Resolved race in smb direct recv credits; adds dedicated available credits counter.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-31539
24 Apr 202614:30
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)
30 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-31539
24 Apr 202600:00
nessus
Amazon
Important: kernel6.18
27 Mar 202600:00
amazon
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
CNNVD
Linux kernel 安全漏洞
24 Apr 202600:00
cnnvd
CVE
CVE-2026-31539
24 Apr 202614:30
cve
Debian CVE
CVE-2026-31539
24 Apr 202614:30
debiancve
EUVD
EUVD-2026-25432
24 Apr 202614:30
euvd
NVD
CVE-2026-31539
24 Apr 202615:16
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/common/smbdirect/smbdirect_socket.h"
    ],
    "versions": [
      {
        "version": "5fb9b459b3686e366640edd4e62805ef7b4de927",
        "lessThan": "e811e60e1cc79923c4388146eb1fa26a7482731e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5fb9b459b3686e366640edd4e62805ef7b4de927",
        "lessThan": "f99996870222b598914a1f49d7375dc23752c237",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5fb9b459b3686e366640edd4e62805ef7b4de927",
        "lessThan": "6e3c5052f9686192e178806e017b7377155f4bab",
        "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/common/smbdirect/smbdirect_socket.h"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.11",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.1",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:10Current
CVSS 3.17.5
EPSS0.00426
26