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NVD / CVE Program· CNA Linux

CVE-2026-72449: drm/amdkfd: fix list_del corruption in kfd_criu_resume_svm

HighCVSS 7.8 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 31/100)

  • 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: 0.17% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 506e635aed05dbdeef11e3c59f6e42980cda5b6d, 838b57b3e7ce8cce0fda56d0861add3d464dd6c8, 8fa5655da368d0306c03e9dc9cda8ae2a7840926.

Low priority for now. Upgrade to Linux Linux 506e635aed05dbdeef11e3c59f6e42980cda5b6d, 838b57b3e7ce8cce0fda56d0861add3d464dd6c8, 8fa5655da368d0306c03e9dc9cda8ae2a7840926 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 list_del corruption in kfd_criu_resume_svm The cleanup tail of kfd_criu_resume_svm() walks svms->criu_svm_metadata_list and kfree()s each struct criu_svm_metadata without removing it from the list. The list head is left pointing at freed kmalloc-96 objects. A second AMDKFD_IOC_CRIU_OP from the same process re-enters: list_empty() reads the dangling ->next (use-after-free), the loop walks freed entries, and each is kfree()'d again (double-free). This is reachable by an unprivileged render-group user via /dev/kfd with no capabilities required. Add list_del() before the kfree() so the list is properly emptied. The list_for_each_entry_safe() iterator already caches the next pointer, so unlinking during the walk is safe. (cherry picked from commit 6322d278a298e2c1430b9d2697743d3a04b788b1)

Published
Aug 15, 2026
Updated
Oct 16, 2026
EPSS
0.1% · 6th percentile
CWE
—

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Linux
7.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

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

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-72449

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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

    • 5.18affected
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before c8a8d350a273c005a48c64c4519d21b2a51c5cebaffected · git
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before 506e635aed05dbdeef11e3c59f6e42980cda5b6daffected · git
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before 838b57b3e7ce8cce0fda56d0861add3d464dd6c8affected · git
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before 96ac562a9ea3020981f536384711190841c81aa8affected · git
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before e33a3bd5cb8d0cf1557dee014115f812c9686130affected · git
    • 2a909ae718715b3bac75d945e38dc0a5e4a0f1ba and later · before 8fa5655da368d0306c03e9dc9cda8ae2a7840926affected · git
    • before 5.18not affected · semver
    • 6.1.178 and later · up to and including 6.1.*not affected · semver
    • 6.6.145 and later · up to and including 6.6.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.180-16.1.180-1
Debian:13linuxbefore 6.12.100-16.12.100-1
Debian:14linuxbefore 7.1.5-17.1.5-1

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-2026-72444Aug 15, 2026 · flow_dissector: check device type before reading ETH_ADDRS
    31Monitor
  • ← EarlierCVE-2026-72447Aug 15, 2026 · sctp: hold socket lock when dumping endpoints in sctp_diag
    0Monitor
  • Later →CVE-2026-72450Aug 15, 2026 · xfrm: validate selector family and prefixlen during match
    31Monitor

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 Linux506e635aed05dbdeef11e3c59f6e42980cda5b6dVendor (CNA)
Linux Linux838b57b3e7ce8cce0fda56d0861add3d464dd6c8Vendor (CNA)
Linux Linux8fa5655da368d0306c03e9dc9cda8ae2a7840926Vendor (CNA)
Linux Linux96ac562a9ea3020981f536384711190841c81aa8Vendor (CNA)
Linux Linuxc8a8d350a273c005a48c64c4519d21b2a51c5cebVendor (CNA)
Linux Linuxe33a3bd5cb8d0cf1557dee014115f812c9686130Vendor (CNA)
debian:linux6.1.180-1 · Debian:12Package 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).

Not on record for this CVE: patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

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.

References

Show all references (5 more)

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

All records