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CVE-2026-46242 eventpoll: fix ep_remove struct eventpoll / struct file UAF

🗓️ 30 May 2026 12:13:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Fix use-after-free in eventpoll ep_remove by pinning file and guarding critical section.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46242
30 May 202612:13
attackerkb
Circl
CVE-2026-46242
30 May 202616:10
circl
CNNVD
Linux kernel 安全漏洞
30 May 202600:00
cnnvd
CVE
CVE-2026-46242
30 May 202612:13
cve
Debian CVE
CVE-2026-46242
30 May 202612:13
debiancve
EUVD
EUVD-2026-33459
30 May 202612:13
euvd
NVD
CVE-2026-46242
30 May 202613:16
nvd
OSV
BELL-CVE-2026-46242
2 Jun 202606:10
osv
OSV
DEBIAN-CVE-2026-46242
30 May 202613:16
osv
OSV
OESA-2026-2675 kernel security update
12 Jun 202612:28
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/eventpoll.c"
    ],
    "versions": [
      {
        "version": "58c9b016e12855286370dfb704c08498edbc857a",
        "lessThan": "ef4ca02e95363e78977ca04340d44fe3b4b2b81f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "58c9b016e12855286370dfb704c08498edbc857a",
        "lessThan": "ced39b6a8062bac5c18a1c3df85634107eb8664a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "58c9b016e12855286370dfb704c08498edbc857a",
        "lessThan": "a6dc643c69311677c574a0f17a3f4d66a5f3744b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f2451def095c1743adcfcb0cb5dadc86034e162a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1f93804449d13f97dabd4b996817de4bf1ed67a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.209",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/eventpoll.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "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"
      }
    ]
  }
]

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