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CVE-2026-89460 s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks

🗓️ 11 Sep 2026 19:43:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Linux kernel s390 cpum_cf NULL pointer dereference causing kernel panic on CPU hotplug.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89460
18 Sep 202619:10
–circl
cve
CVE
CVE-2026-89460
11 Sep 202619:43
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89460
11 Sep 202619:43
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89460
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76366
11 Sep 202619:43
–euvd
nvd
NVD
CVE-2026-89460
11 Sep 202620:19
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.6-1.1 on GA media (moderate)
20 Sep 202600:00
–opensuse
osv
OSV
AZL-100547 CVE-2026-89460 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/s390/kernel/perf_cpum_cf.c"
    ],
    "versions": [
      {
        "version": "9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2",
        "lessThan": "991be92489bc7b1b6e7903debb96bd58c892dee4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2",
        "lessThan": "777d040c2f91d8d929b4a32333dfe4102b27caea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2",
        "lessThan": "dcce7a06ea690d5cf46a705a9b74cf0398ac091f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2",
        "lessThan": "71d46de9153e067c63a15f3b00e6364e1c0230f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2",
        "lessThan": "337bd95507a16063687cfc286ea90de5cca48c37",
        "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/s390/kernel/perf_cpum_cf.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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