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CVE-2026-53020

🗓️ 24 Jun 2026 16:29:29Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 48 Views

CVE-2026-53020 UM fixes a race in translation lookaside buffer sync by holding the page table lock and disabling the split page table lock.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Linux um_tlb_sync Heap Buffer Overflow DoS
4 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-53020
1 Oct 202618:00
–circl
cvelist
Cvelist
CVE-2026-53020 um: Fix potential race condition in TLB sync
24 Jun 202616:29
–cvelist
debiancve
Debian CVE
CVE-2026-53020
24 Jun 202616:29
–debiancve
euvd
EUVD
EUVD-2026-38888
24 Jun 202618:32
–euvd
nvd
NVD
CVE-2026-53020
24 Jun 202617:17
–nvd
osv_bell
osv_bell
BELL-CVE-2026-53020 CVE-2026-53020 does not affect BellSoft software
26 Jun 202606:12
–osv_bell
osv_cve
osv_cve
CVE-2026-53020 um: Fix potential race condition in TLB sync
24 Jun 202616:29
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-53020
24 Jun 202617:17
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-53020
24 Jun 202617:17
–osv_ubuntu
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.19–7.0.10
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/um/kernel/tlb.c",
      "mm/Kconfig"
    ],
    "versions": [
      {
        "version": "1e4ee5135d814fe4785890790cec81c3132888fb",
        "lessThan": "f21c343ec7419377bff89ab11146c03ae117036f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e4ee5135d814fe4785890790cec81c3132888fb",
        "lessThan": "102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/um/kernel/tlb.c",
      "mm/Kconfig"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "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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05 Aug 2026 12:32Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.00127
48