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NVD / CVE Program· CNA Linux

CVE-2026-97422: drm/amdkfd: fix SMI event cross-process information leak

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.16% (FIRST EPSS).
  • Fixed version: Linux Linux 470319a893f616ef661a63e825a8e1b9b6eddb91, 5bb2dfa65d8da83e87b2a31c270bc567df69a5ca, 6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes.

Low priority for now. Upgrade to Linux Linux 470319a893f616ef661a63e825a8e1b9b6eddb91, 5bb2dfa65d8da83e87b2a31c270bc567df69a5ca, 6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922a; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 Release Notes or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix SMI event cross-process information leak kfd_smi_ev_enabled() skips the suser privilege check when pid=0. PROCESS_START, PROCESS_END, and VMFAULT events are emitted with pid=0 while carrying another process's PID and command name, so any /dev/kfd user in the render group can monitor all GPU workloads. Pass the target process PID into kfd_smi_event_add() for these events so the existing per-client filter restricts delivery to the owning process or CAP_SYS_ADMIN subscribers.

—No exploit Fix available
Published
Sep 24, 2026
Updated
Oct 30, 2026
EPSS
0.1% · 6th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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  • when exploit code appears or is weaponized
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  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.9affected
    • 938a0650aae6275ba8e924685836bdee2c6aa3db and later · before b8151aeb4f34e913315058c192f78fea2223f36aaffected · git
    • 938a0650aae6275ba8e924685836bdee2c6aa3db and later · before 6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922aaffected · git
    • 938a0650aae6275ba8e924685836bdee2c6aa3db and later · before 470319a893f616ef661a63e825a8e1b9b6eddb91affected · git
    • 938a0650aae6275ba8e924685836bdee2c6aa3db and later · before 5bb2dfa65d8da83e87b2a31c270bc567df69a5caaffected · git
    • 938a0650aae6275ba8e924685836bdee2c6aa3db and later · before 92a8dba246d371fe268280e5fd74b0955688e6dfaffected · git
    • before 5.9not affected · semver
    • 6.1.191 and later · up to and including 6.1.*not affected · semver
    • 6.6.160 and later · up to and including 6.6.*not affected · semver
    • 6.12.114 and later · up to and including 6.12.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxfrom 0—
Debian:14linuxbefore 7.2.6-17.2.6-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-97420Sep 24, 2026 · bpf: NUL-terminate replaced sysctl value
    0Monitor
  • ← EarlierCVE-2026-97421Sep 24, 2026 · RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz()
    31Monitor
  • Later →CVE-2026-97424Sep 24, 2026 · drm/amdgpu/ras: add ras_suspend callback and use it for cp_ecc_error_irq
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux470319a893f616ef661a63e825a8e1b9b6eddb91Vendor (CNA)
Linux Linux5bb2dfa65d8da83e87b2a31c270bc567df69a5caVendor (CNA)
Linux Linux6fc7ab7fcd7eefb2f371a1d43cf7a860a08f922aVendor (CNA)
Linux Linux92a8dba246d371fe268280e5fd74b0955688e6dfVendor (CNA)
Linux Linuxb8151aeb4f34e913315058c192f78fea2223f36aVendor (CNA)
azl3 kernel 6.6.157.1-1 on Azure Linux 3.0Release NotesMicrosoft (MSRC)
debian:linux7.2.6-1 · Debian:14Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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