CVE-2026-63865

🗓️ 19 Jul 2026 14:04:51Reported by LinuxType

BPF drops sleepable Linux security module hooks for task_to_inode and inet_conn_established; not usable under reader lock or softirq.

Reporter	Title	Published	Views	Family All 7
Cvelist	CVE-2026-63865 bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks	19 Jul 202614:04	–	cvelist
EUVD	EUVD-2026-45549	19 Jul 202614:04	–	euvd
NVD	CVE-2026-63865	19 Jul 202615:16	–	nvd
OSV	CVE-2026-63865 bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks	19 Jul 202614:04	–	osv
OSV	DEBIAN-CVE-2026-63865	19 Jul 202615:16	–	osv
OSV	UBUNTU-CVE-2026-63865	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61182	19 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.11–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

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": [
      "kernel/bpf/bpf_lsm.c"
    ],
    "versions": [
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "452a927cddcd67478d030e646f41cb904a93156f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "f0fc2a9828171205244a28013f02889f50b71c9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "26b380a3ca0b605fd8860995ed6a208f276dd316",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "0d918263c9bfc86078edb2e2f7302a0c6ce42b7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "281f2a214565a5cbf8b7355a65738d80bd19b8c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "989f1b93907de1753a814996222da375f07e579b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "423f16108c9d832bd96059d5c882c8ef6d76eb96",
        "lessThan": "beaf0e96b1da74549a6cabd040f9667d83b2e97e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/bpf_lsm.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "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": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "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/452a927cddcd67478d030e646f41cb904a93156f
git	www.git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f
git	www.git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c
git	www.git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b
git	www.git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5
git	www.git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316
git	www.git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e

20 Jul 2026 15:16Current

5.3Medium risk

Vulners AI Score5.3

CVSS 3.18.8