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CVE-2026-98176 drm/amdkfd: Avoid integer underflow with ffs in EOP ring size calc

🗓️ 06 Oct 2026 08:44:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Integer underflow in Linux kernel drm/amdkfd EOP ring size calculation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98176
6 Oct 202608:44
–cve
debiancve
Debian CVE
CVE-2026-98176
6 Oct 202608:44
–debiancve
euvd
EUVD
EUVD-2026-93104
6 Oct 202608:44
–euvd
mscve
Microsoft CVE
drm/amdkfd: Avoid integer underflow with ffs in EOP ring size calc
7 Oct 202608:44
–mscve
nvd
NVD
CVE-2026-98176
6 Oct 202609:17
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.10-1.1 on GA media (moderate)
25 Oct 202600:00
–opensuse
osv_azl
osv_azl
AZL-106263 CVE-2026-98176 affecting package kernel 6.6.157.1-1
6 Oct 202609:17
–osv_azl
osv_bell
osv_bell
BELL-CVE-2026-98176
9 Oct 202606:05
–osv_bell
osv_debian
osv_debian
DEBIAN-CVE-2026-98176
6 Oct 202609:17
–osv_debian
osv_opensuse
osv_opensuse
OPENSUSE-SU-2026:12131-1 kernel-devel-7.2.10-1.1 on GA media
14 Oct 202600:00
–osv_opensuse
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c"
    ],
    "versions": [
      {
        "version": "14328aa58ce523a59996c5a82681c43ec048cc33",
        "lessThan": "82e1b8299c6da02ce02185c208d2fdf7572b5ea1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14328aa58ce523a59996c5a82681c43ec048cc33",
        "lessThan": "c883d0a132d430ef7ebb23fd94323be94d0fbdb8",
        "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/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c",
      "drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c"
    ],
    "versions": [
      {
        "version": "5.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.8",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 09:15Current
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