CVE-2026-46168

🗓️ 28 May 2026 09:36:23Reported by LinuxType

CVE-2026-46168: MPTCP fixes unsafe lock_sock_fast in timestamp sockopts by using sleepable locks.

Reporter	Title	Published	Views	Family All 16
ATTACKERKB	CVE-2026-46168	28 May 202609:36	–	attackerkb
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
Cvelist	CVE-2026-46168 mptcp: fix scheduling with atomic in timestamp sockopt	28 May 202609:36	–	cvelist
Debian CVE	CVE-2026-46168	28 May 202609:36	–	debiancve
EUVD	EUVD-2026-32795	28 May 202609:36	–	euvd
NVD	CVE-2026-46168	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46168	29 May 202606:09	–	osv
OSV	DEBIAN-CVE-2026-46168	28 May 202610:16	–	osv
OSV	ECHO-B3ED-51D6-9E67	28 May 202623:19	–	osv
OSV	ROOT-OS-DEBIAN-12-CVE-2026-46168 CVE-2026-46168 in rootio-linux - Patched by Root	2 Jun 202604:12	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.14–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.140

linux linux_kernelRange6.7.0–6.12.88

linux linux_kernelRange6.13.0–6.18.30

linux linux_kernelRange6.19.0–7.0.7

linux linux_kernelRange7.1.0–7.1-rc2

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/sockopt.c"
    ],
    "versions": [
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "0949d8bbbedbafe0136a1723c41eb823c2f1e09d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "e792cfb6aeaf65612cdf8e3ac431d65e66283654",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "ebeb70e29e37cfce899309cc2665a3bfe960ed94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "b157dab93a7af44a84e78cf0cb311dde475cff5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "8a005fe451c73fd2b3d1faa5643c11e6bd07acfc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "7eb513b42721bee4b96da69f6188d5a7783f210d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
        "lessThan": "b5c52908d52c6c8eb8933264aa6087a0600fd892",
        "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/sockopt.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/ebeb70e29e37cfce899309cc2665a3bfe960ed94
git	www.git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892
git	www.git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b
git	www.git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc
git	www.git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d
git	www.git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d
git	www.git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654

01 Jun 2026 17:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.00024