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CVE-2026-74466

🗓️ 15 Aug 2026 12:27:05Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 58 Views

s390/zcrypt uses user-controlled domain as array index without speculation barrier, enabling speculative memory read.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
–astralinux
cvelist
Cvelist
CVE-2026-74466 s390/zcrypt: Close speculative mem read possibility
15 Aug 202612:27
–cvelist
debiancve
Debian CVE
CVE-2026-74466
15 Aug 202612:27
–debiancve
euvd
EUVD
EUVD-2026-59659
15 Aug 202612:27
–euvd
nvd
NVD
CVE-2026-74466
15 Aug 202613:17
–nvd
osv-bell
osv-bell
BELL-CVE-2026-74466
18 Aug 202606:06
–osv-bell
osv-debian
osv-debian
DEBIAN-CVE-2026-74466
15 Aug 202613:17
–osv-debian
osv-ubuntu
osv-ubuntu
UBUNTU-CVE-2026-74466
15 Aug 202613:17
–osv-ubuntu
ptsecurity
Positive Technologies
PT-2026-72918
15 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-74466: Undefined Security Weakness
15 Aug 202600:00
–rapid7
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.18–6.18.57
linuxlinux_kernelRange6.19.0–7.1.8
linuxlinux_kernelRange7.2.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/crypto/zcrypt_api.c"
    ],
    "versions": [
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "59adeedebf02aa1c203de1d2b67ec45bfab7a3c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "82b62eda68abfb7a33ac40f24b8c4128c2891148",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
        "lessThan": "e935cd525af4c6ed2e2c6404aa27ca19c7f39ddb",
        "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/s390/crypto/zcrypt_api.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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15 Oct 2026 11:17Current
5.9Medium risk
Vulners AI Score5.9
EPSS0.00216
58