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CVE-2026-45889 mptcp: do not account for OoO in mptcp_rcvbuf_grow()

🗓️ 27 May 2026 12:17:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

CVE-2026-45889: Do not account for out-of-order in mptcp_rcvbuf_grow and fix rcvspace race.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
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-2026-45889
3 Jun 202600:00
nessus
Amazon
Important: kernel6.18
27 Mar 202600:00
amazon
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-45889
27 May 202612:17
cve
Debian CVE
CVE-2026-45889
27 May 202612:17
debiancve
EUVD
EUVD-2026-32355
27 May 202615:33
euvd
NVD
CVE-2026-45889
27 May 202614:17
nvd
OSV
BELL-CVE-2026-45889 CVE-2026-45889 does not affect BellSoft software
29 May 202606:10
osv
OSV
DEBIAN-CVE-2026-45889
27 May 202614:17
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/protocol.c"
    ],
    "versions": [
      {
        "version": "e118cdc34dd109562b64f6a397f68cd33b041d5b",
        "lessThan": "fb7bf00b04a6b48859f52035d4e745848c2b4c79",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e118cdc34dd109562b64f6a397f68cd33b041d5b",
        "lessThan": "400ee4854adef1e4983812a3decf6717ea020136",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e118cdc34dd109562b64f6a397f68cd33b041d5b",
        "lessThan": "6b329393502e5857662b851a13f947209c588587",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/protocol.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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