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CVE Record

CVE-2024-27071: backlight: hx8357: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: backlight: hx8357: Fix potential NULL pointer dereference The "im" pins are optional. Add missing check in the hx8357_probe().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-27071 is a Linux kernel flaw in the hx8357 backlight/display driver. The driver did not properly handle optional configuration pins, creating a possible NULL pointer dereference during device probing. Business impact is likely limited to systems using this driver, but incomplete severity data makes prioritization dependent on local exposure.

Executive priority

Treat as a targeted kernel maintenance issue rather than a broad emergency unless your fleet includes affected hx8357-based devices. Patch through normal kernel update channels, with higher urgency for embedded products, appliances, or custom images using this display driver.

Technical view

The issue is in hx8357_probe(), where optional "im" pins lacked a NULL check. The Linux kernel record says the vulnerability has been resolved and links two stable commits. The supplied affected data identifies Linux 6.8, 6.8.2, and 6.9, but does not provide CVSS, CWE, or downstream package mappings.

Likely exposure

Exposure is most likely on Linux systems, especially embedded or hardware-specific builds, that include and use the hx8357 driver. General-purpose servers without this hardware or driver path are less likely to be affected. Confirm with kernel configuration, device tree or platform data, and vendor package status.

Exploitation context

The source bundle does not show CISA KEV listing, public exploitation, exploit availability, or remote attack evidence. Based on the description, the plausible consequence is a crash or probe failure when optional pins are absent, but the sources do not quantify impact.

Researcher notes

Evidence is narrow: the record identifies a missing optional-pin check in hx8357_probe() and provides stable commit references. No CVSS, CWE, exploit status, or detailed affected range rationale is included. Validate exposure through driver presence and downstream backport analysis.

Mitigation direction

  • Apply kernel updates containing the referenced stable fixes.
  • Check distribution advisories for exact fixed package versions.
  • Prioritize custom or embedded kernels using hx8357 hardware.
  • If no update exists, request vendor-supported guidance.
  • Track whether downstream kernels backported the commits.

Validation and detection

  • Inventory systems running Linux 6.8, 6.8.2, or 6.9.
  • Confirm whether the hx8357 driver is built or loaded.
  • Check hardware definitions for hx8357 usage.
  • Compare kernel source against the referenced stable commits.
  • Review vendor advisories for package-level fix status.
Prepared
Confidence
medium
Sources
4

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-2024-27071 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
2ADP providers
3Source 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

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux7d84a63a39b78443d09f2b4edf7ecb1d586379b4, 7d84a63a39b78443d09f2b4edf7ecb1d586379b4unaffected
LinuxLinux6.8, 0, 6.8.2, 6.9affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.