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CVE Record

CVE-2024-38547: media: atomisp: ssh_css: Fix a null-pointer dereference in load_video_binaries

In the Linux kernel, the following vulnerability has been resolved: media: atomisp: ssh_css: Fix a null-pointer dereference in load_video_binaries The allocation failure of mycs->yuv_scaler_binary in load_video_binaries() is followed with a dereference of mycs->yuv_scaler_binary after the following call chain: sh_css_pipe_load_binaries() |-> load_video_binaries(mycs->yuv_scaler_binary == NULL) | |-> sh_css_pipe_unload_binaries() |-> unload_video_binaries() In unload_video_binaries(), it calls to ia_css_binary_unload with argument &pipe->pipe_settings.video.yuv_scaler_binary[i], which refers to the same memory slot as mycs->yuv_scaler_binary. Thus, a null-pointer dereference is triggered.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-38547 is a Linux kernel bug in the atomisp media driver. Under an allocation failure, cleanup code can dereference a null pointer. The most likely business impact is service instability or a kernel crash on systems that use this driver path. Public sources do not provide a CVSS score or confirmed exploitation.

Executive priority

Treat this as a targeted Linux kernel stability risk until exposure is confirmed. It should not outrank known exploited vulnerabilities, but affected operational systems should be patched through normal kernel maintenance windows.

Technical view

The flaw is in load_video_binaries() under media/atomisp/ssh_css. If mycs->yuv_scaler_binary allocation fails, sh_css_pipe_unload_binaries() can call unload_video_binaries(), which passes the same null slot to ia_css_binary_unload, triggering a null-pointer dereference.

Likely exposure

Exposure appears limited to Linux systems running affected kernels with the atomisp media driver present and reachable, especially hardware using Intel Atom ISP functionality. The provided affected-version data is broad and incomplete, so validate against distro backports and vendor advisories.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, public exploit code, or a CVSS vector. The issue description supports a denial-of-service style failure scenario, but it does not establish remote reachability or privilege requirements.

Researcher notes

The source evidence identifies the faulty allocation-failure path and multiple Linux stable commits. It does not provide exploitability analysis, affected hardware scope, or product-specific Siemens details in the bundle, so conclusions beyond driver-level denial of service remain uncertain.

Mitigation direction

  • Apply vendor or distro kernel updates containing the referenced stable fixes.
  • Check Siemens guidance if affected Siemens products are in scope.
  • If patching is delayed, review vendor-supported options to disable unused atomisp functionality.
  • Prioritize internet-exposed or operationally critical Linux assets after exposure validation.

Validation and detection

  • Inventory Linux kernel versions across servers, appliances, and embedded systems.
  • Check whether atomisp support is built, loaded, or used on each system.
  • Confirm whether vendor kernels include backports for CVE-2024-38547.
  • Review Siemens advisory SSA-265688 for product-specific applicability.
  • Track remediation through kernel package or firmware update records.
Prepared
Confidence
medium
Sources
11

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2024-38547 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
3ADP providers
10Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc
siemens-SADPADP container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxa49d25364dfb9f8a64037488a39ab1f56c5fa419, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5e, ad85094b293e40e7a2f831b0311a389d952ebd5eunaffected
LinuxLinux4.12, 5.8, 0, 4.18, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.8.12, 6.9.3, 6.10affected
Weakness

CWE details

No CWE listed

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