CVE-2026-64188

🗓️ 20 Jul 2026 16:27:47Reported by LinuxType

Linux kernel fixes endpoint use-after-free in rmnet_dellink by using kfree_rcu and adding rcu_head.

Reporter	Title	Published	Views	Family All 9
ATTACKERKB	CVE-2026-64188	20 Jul 202616:27	–	attackerkb
Circl	CVE-2026-64188	20 Jul 202618:41	–	circl
Cvelist	CVE-2026-64188 net: qualcomm: rmnet: fix endpoint use-after-free in rmnet_dellink()	20 Jul 202616:27	–	cvelist
EUVD	EUVD-2026-46008	20 Jul 202616:27	–	euvd
NVD	CVE-2026-64188	20 Jul 202617:18	–	nvd
OSV	CVE-2026-64188 net: qualcomm: rmnet: fix endpoint use-after-free in rmnet_dellink()	20 Jul 202616:27	–	osv
OSV	DEBIAN-CVE-2026-64188	20 Jul 202618:48	–	osv
Positive Technologies	PT-2026-61641	20 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-64188	21 Jul 202606:23	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange4.14–5.10.260

linux linux_kernelRange5.11.0–5.15.211

linux linux_kernelRange5.16.0–6.1.177

linux linux_kernelRange6.2.0–6.6.144

linux linux_kernelRange6.7.0–6.12.95

linux linux_kernelRange6.13.0–6.18.37

linux linux_kernelRange6.19.0–7.0.14

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c",
      "drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h"
    ],
    "versions": [
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "c4e676c3505c5058922dc1a6f1ded795f6758135",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "9918698cf3aee4032e12bb42fd5a951dc465339b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "310b93246bfec7d4452507e0c15477377ed9f025",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "1078ae8175777e80c9637996fb4a46c55f0ce576",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "41e06fcc5df0774d212e70c5b503fc769492bce3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "8b17adf6d4fb6bf61fa4c3f58366a7c082799a71",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "f193e38cb257d033060b63f1cfd94af076b3a2ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ceed73a2cf4aff2921802aa3d21d45280677547d",
        "lessThan": "d00c953a8f69921f484b629801766da68f27f658",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c",
      "drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h"
    ],
    "versions": [
      {
        "version": "4.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.260",
        "lessThanOrEqual": "5.10.*",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/310b93246bfec7d4452507e0c15477377ed9f025
git	www.git.kernel.org/stable/c/41e06fcc5df0774d212e70c5b503fc769492bce3
git	www.git.kernel.org/stable/c/f193e38cb257d033060b63f1cfd94af076b3a2ab
git	www.git.kernel.org/stable/c/d00c953a8f69921f484b629801766da68f27f658
git	www.git.kernel.org/stable/c/c4e676c3505c5058922dc1a6f1ded795f6758135
git	www.git.kernel.org/stable/c/9918698cf3aee4032e12bb42fd5a951dc465339b
git	www.git.kernel.org/stable/c/1078ae8175777e80c9637996fb4a46c55f0ce576
git	www.git.kernel.org/stable/c/8b17adf6d4fb6bf61fa4c3f58366a7c082799a71

20 Jul 2026 17:18Current

5.5Medium risk

Vulners AI Score5.5