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NVD / CVE Program· CNA Linux

CVE-2024-43894: drm/client: fix null pointer dereference in drm_client_modeset_probe

MediumCVSS 5.5 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 22/100)

  • 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: 0.23% (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 113fd6372a5bb3689aba8ef5b8a265ed1529a78f, 24ddda932c43ffe156c7f3c568bed85131c63ae6, 5291d4f73452c91e8a11f71207617e3e234d418e; cbl2 kernel 5.15.164.1-1 on CBL Mariner 2.0 5.15.167.1-1; cbl2 kernel 5.15.164.1-1 on CBL-Mariner 2.0 5.15.167.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 113fd6372a5bb3689aba8ef5b8a265ed1529a78f, 24ddda932c43ffe156c7f3c568bed85131c63ae6, 5291d4f73452c91e8a11f71207617e3e234d418e; cbl2 kernel 5.15.164.1-1 on CBL Mariner 2.0 5.15.167.1-1; cbl2 kernel 5.15.164.1-1 on CBL-Mariner 2.0 5.15.167.1-1 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/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

Published
Aug 26, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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-2024-43894

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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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.

VendorProduct
linuxlinux kernel

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

    • 5.3affected
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before 24ddda932c43ffe156c7f3c568bed85131c63ae6affected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before 5291d4f73452c91e8a11f71207617e3e234d418eaffected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before c763dfe09425152b6bb0e348900a637c62c2ce52affected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before d64847c383100423aecb6ac5f18be5f4316d9d62affected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before d64fc94f7bb24fc2be0d6bd5df8df926da461a6daffected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before 612cae53e99ce32a58cb821b3b67199eb6e92dffaffected · git
    • cf13909aee054f5aa667d4b9da0ac7df4f6c1327 and later · before 113fd6372a5bb3689aba8ef5b8a265ed1529a78faffected · git
    • before 5.3not affected · semver
    • 5.4.282 and later · up to and including 5.4.*not affected · semver
Affected versions · NVD (7)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel5.3 and later · before 5.4.282
  • linux linux kernel5.5 and later · before 5.10.224
  • linux linux kernel5.11 and later · before 5.15.165
  • linux linux kernel5.16 and later · before 6.1.105
  • linux linux kernel6.2 and later · before 6.6.46
  • linux linux kernel6.7 and later · before 6.10.5
  • linux linux kernel6.11

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.106-16.1.106-1
Debian:13linuxbefore 6.10.6-16.10.6-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe…KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-43891Aug 26, 2024 · tracing: Have format file honor EVENT_FILE_FL_FREED
    18Monitor
  • ← EarlierCVE-2024-43892Aug 26, 2024 · memcg: protect concurrent access to mem_cgroup_idr
    18Monitor
  • Later →CVE-2024-43896Aug 26, 2024 · ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL
    22Monitor

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 Linux113fd6372a5bb3689aba8ef5b8a265ed1529a78fVendor (CNA)
Linux Linux24ddda932c43ffe156c7f3c568bed85131c63ae6Vendor (CNA)
Linux Linux5291d4f73452c91e8a11f71207617e3e234d418eVendor (CNA)
Linux Linux612cae53e99ce32a58cb821b3b67199eb6e92dffVendor (CNA)
Linux Linuxc763dfe09425152b6bb0e348900a637c62c2ce52Vendor (CNA)
Linux Linuxd64847c383100423aecb6ac5f18be5f4316d9d62Vendor (CNA)
Linux Linuxd64fc94f7bb24fc2be0d6bd5df8df926da461a6dVendor (CNA)
cbl2 kernel 5.15.164.1-1 on CBL Mariner 2.05.15.167.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.164.1-1 on CBL-Mariner 2.05.15.167.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.167.1-1 on CBL Mariner 2.05.15.167.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.106-1 · 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.

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Not on record for this CVE: EPSS history · 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
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-476 · NULL Pointer Dereference

CVSS vector

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

nvd-primary

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 (8 more)

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

All records