Security readout for executives and security teams
Plain-English summary
CVE-2026-24813 is a high-severity crash risk in abcz316 SKRoot-linuxKernelRoot. The issue is a null pointer dereference that can affect availability. The CVE scoring indicates remote, unauthenticated triggering with low complexity, but the provided sources do not show active exploitation.
Executive priority
Treat as a high-priority availability issue if SKRoot-linuxKernelRoot is used in production or exposed services. If not used, document non-exposure and monitor for updates.
Technical view
The CVE describes CWE-476 in SKRoot-linuxKernelRoot, specifically testRoot/jni/utils modules associated with cJSON.Cpp. CVSS v4.0 score is 8.7 with network attack vector, no privileges, no user interaction, and high vulnerable-system availability impact. A GitHub pull request is listed as the patch reference.
Likely exposure
Exposure appears limited to organizations using, embedding, or forking abcz316 SKRoot-linuxKernelRoot. The affected version data is sparse and lists version “0” with no CPEs, so teams should validate directly against their source and dependency inventory.
Exploitation context
The source bundle does not indicate known active exploitation, and KEV is false. Based on CVSS, successful exploitation could cause a denial-of-service condition. No public exploit status is provided beyond the CVE metadata and patch reference.
Researcher notes
Evidence is limited to the CVE record and a GitHub patch reference. The affected-version field is ambiguous, and no CPEs are provided. Avoid assuming broader ecosystem impact without repository-level confirmation.
Mitigation direction
- Review GitHub PR #116 and apply the vendor patch when validated.
- Update to a fixed commit or release if the project publishes one.
- Reduce network exposure to affected components until remediation is complete.
- Monitor the CVE record and repository for updated vendor guidance.
Validation and detection
- Inventory systems, repositories, and forks for SKRoot-linuxKernelRoot usage.
- Check whether testRoot/jni/utils cJSON.Cpp is present in deployed code.
- Confirm whether PR #116 or later fixed code is applied.
- Verify service stability after remediation using approved internal tests.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24813 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/abcz316/SKRoot-linuxKernelRoot/pull/116CVE reference · patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.