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CVE-2026-53327

🗓️ 01 Jul 2026 13:32:13Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-53327 affects the Linux kernel, specifically the debugobjects path related to fill_pool() on RT-enabled kernels. The root cause is that fill_pool() may invoke rtlock_lock() while current::pi_blocked_on is set, which can trigger an asserti...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-53327
1 Jul 202613:32
–attackerkb
Circl		CVE-2026-53327
1 Jul 202622:29
–circl
Cvelist		CVE-2026-53327 debugobjects: Do not fill_pool() if pi_blocked_on
1 Jul 202613:32
–cvelist
Debian CVE		CVE-2026-53327
1 Jul 202613:32
–debiancve
EUVD		EUVD-2026-40961
1 Jul 202613:32
–euvd
NVD		CVE-2026-53327
1 Jul 202614:16
–nvd
OSV		DEBIAN-CVE-2026-53327
1 Jul 202619:48
–osv
RedhatCVE		CVE-2026-53327
1 Jul 202616:54
–redhatcve
Vulners
CNA
Node
linuxlinux_kernelRange5.15–6.18.37
OR
linuxlinux_kernelRange6.19.0–7.0.13
OR
linuxlinux_kernelRange7.1.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/debugobjects.c"
    ],
    "versions": [
      {
        "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
        "lessThan": "3a408cae608d9c075dd3a9e5cfc03b3cb0726863",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
        "lessThan": "33bee10644f8fff3b1a0187ad5ad34513e5e8e72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
        "lessThan": "5f41161059fd0f1bbf18c90f3180e38cc45a14eb",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/debugobjects.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.37",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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01 Jul 2026 14:16Current
5.8Medium risk
Vulners AI Score5.8
6