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NVD / CVE Program· CNA Linux

CVE-2023-54049: rpmsg: glink: Add check for kstrdup

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: 0.27% (FIRST EPSS).
  • Fixed version: Linux Linux 13928a837e0f014dac0322dd9f8a67c486e7f232, 174cf8853857c190a3c4f1f1d2d06cfd095fe859, 5197498c902502127a47abda5359dd7f1d41946f.

Low priority for now. Upgrade to Linux Linux 13928a837e0f014dac0322dd9f8a67c486e7f232, 174cf8853857c190a3c4f1f1d2d06cfd095fe859, 5197498c902502127a47abda5359dd7f1d41946f 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: rpmsg: glink: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

—No exploit Fix available
Published
Dec 24, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 20th 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 · 0.2%

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-2023-54049

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.

—

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

    • 4.13affected
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before 5197498c902502127a47abda5359dd7f1d41946faffected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before 13928a837e0f014dac0322dd9f8a67c486e7f232affected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before efa7f31669f04084ed5996ed467ba529f4c90467affected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before 71ac2ffd7f80fdd350486f6645dc48456e55a59baffected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before abd740db896b3c588dced175af98b95852c1854baffected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before cae0787e408c30a575760a531ccb69a6b48bbfafaffected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before 174cf8853857c190a3c4f1f1d2d06cfd095fe859affected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before e3734a9558afac91df3c655a6f2376b9d14933b7affected · git
    • b4f8e52b89f69f5563ac4cb9ffdacc4418917af1 and later · before b5c9ee8296a3760760c7b5d2e305f91412adc795affected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.55-16.1.55-1
Debian:13linuxbefore 6.5.3-16.5.3-1

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-2023-54045Dec 24, 2025 · audit: fix possible soft lockup in __audit_inode_child()
    0Monitor
  • ← EarlierCVE-2023-54047Dec 24, 2025 · drm/rockchip: dw_hdmi: cleanup drm encoder during unbind
    0Monitor
  • Later →CVE-2023-54050Dec 24, 2025 · ubifs: Fix memleak when insert_old_idx() failed
    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 Linux13928a837e0f014dac0322dd9f8a67c486e7f232Vendor (CNA)
Linux Linux174cf8853857c190a3c4f1f1d2d06cfd095fe859Vendor (CNA)
Linux Linux5197498c902502127a47abda5359dd7f1d41946fVendor (CNA)
Linux Linux71ac2ffd7f80fdd350486f6645dc48456e55a59bVendor (CNA)
Linux Linuxabd740db896b3c588dced175af98b95852c1854bVendor (CNA)
Linux Linuxb5c9ee8296a3760760c7b5d2e305f91412adc795Vendor (CNA)
Linux Linuxcae0787e408c30a575760a531ccb69a6b48bbfafVendor (CNA)
Linux Linuxe3734a9558afac91df3c655a6f2376b9d14933b7Vendor (CNA)
Linux Linuxefa7f31669f04084ed5996ed467ba529f4c90467Vendor (CNA)
debian:linux6.1.55-1 · 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.

No history yet (it accumulates with the daily EPSS job).

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✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (8 more)

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

All records