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CVE-2026-98178

N/A

Published 2026-10-06 · Last modified 2026-10-19

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip KFD mapping clear before initialization amdgpu_amdkfd_clear_kfd_mapping() assumes that a non-NULL kfd_dev has a fully populated node array. This is not true when KFD device initialization fails after probe. For example, kgd2kfd_device_init() sets num_nodes before checking PCIe atomics support. On Polaris systems without the required atomics, it returns before allocating nodes[0], but the kfd_dev remains attached to the amdgpu device. A later GPU reset then dereferences nodes[0]->id. Require the authoritative KFD initialization flag before walking the node array, matching the existing KFD reset and teardown paths. (cherry picked from commit 4ac1835823c47903fbb278bbf474773c46f59edc)

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 5th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

—CVSS · not scored

  • No impact metrics

Proof of concept

No public PoC is currently catalogued.

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Data snapshot:

Affected

Vendors Linux

Products Linux

Weakness (CWE)

Not classified.

CVSS vector

Not yet scored.

References and research data (JSON)

Vendor product assessments

Showing 32 of 277 vendor product statements; 245 omitted. Read the full vendor advisory.

  • kernel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-abi-whitelists

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-bootwrapper as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-bootwrapper

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-debug as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-debug

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-debug-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-debug-devel

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-devel

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-doc as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-doc

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-firmware as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-firmware

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-headers as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-headers

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-kdump as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-kdump

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-kdump-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel-kdump-devel

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel.src as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/kernel?arch=src

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • perf as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/perf

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • python-perf as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/python-perf

    • workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-abi-stablelists as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-abi-stablelists

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-modules-extra-matched as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-modules-extra-matched

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt-core as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-core

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-uki-virt as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-uki-virt

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • bpftool as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/bpftool

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt-devel as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-devel

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-abi-whitelists as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-abi-whitelists

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-modules-internal as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-modules-internal

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt.src as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt?arch=src

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-64k-modules-extra as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-64k-modules-extra

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-debug-uki-virt as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-debug-uki-virt

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt-64k-debug as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-64k-debug

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt-64k-modules-internal as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-64k-modules-internal

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-rt-kvm as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-kvm

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • kernel-zfcpdump-devel as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-zfcpdump-devel

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00
  • openshift/ose-rhel-coreos-9 as a component of Red Hat OpenShift Container Platform 4 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:oci/ose-rhel-coreos-9?repository_url=registry.redhat.io/openshift/ose-rhel-coreos-9

    Red Hat · CVE-2026-98178 · Updated 2026-10-17T22:02:48+00:00

References

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS