Security readout for executives and security teams
Plain-English summary
CVE-2024-36011 is a Linux kernel Bluetooth flaw that can cause a system crash through a null pointer dereference. The reported impact is availability only, not data theft or privilege escalation. It requires local access with low privileges, so urgency is moderate and highest for Linux systems where Bluetooth is enabled.
Executive priority
Treat as a moderate availability risk. Patch through normal kernel maintenance, with faster handling for business-critical endpoints or embedded devices that rely on Bluetooth and cannot tolerate unexpected crashes.
Technical view
The Linux kernel fixed a potential null pointer dereference in hci_le_big_sync_established_evt(), part of Bluetooth HCI event handling. The CVSS 3.1 vector is local, low complexity, low privilege, no user interaction, unchanged scope, and high availability impact. Public sources identify stable kernel fixes but do not provide exploit details.
Likely exposure
Exposure is most likely on affected Linux kernel versions with Bluetooth HCI functionality present and reachable. Systems without Bluetooth hardware, disabled Bluetooth support, or vendor kernels already carrying the stable fixes are less likely to be exposed. Distro backport status must be verified separately.
Exploitation context
The CVE record does not indicate CISA KEV listing, and the provided sources do not show active exploitation. The attack vector is local with low privileges, suggesting denial-of-service risk from an authenticated local context rather than remote compromise.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, affected Linux entries, and stable kernel commit references. The sources do not describe a public exploit, exact trigger conditions, or distribution-specific package versions. Avoid assuming remote reachability or confidentiality impact.
Mitigation direction
- Apply vendor kernel updates that include the referenced Linux stable fixes.
- Prioritize laptops, workstations, kiosks, and embedded Linux devices using Bluetooth.
- Check distribution advisories for backported fixes and supported mitigation guidance.
- Where Bluetooth is unnecessary, review vendor-supported disablement or hardening options.
Validation and detection
- Inventory Linux kernel versions across assets, including vendor backport metadata.
- Identify systems with Bluetooth enabled, loaded, or required for operations.
- Confirm fixed builds include the referenced stable kernel commits or distro backports.
- Monitor vendor advisories and KEV status for exploitation updates.
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
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Open ATT&CK lookupCVE-2024-36011 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
SSVC decision data
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/1f7ebb69c1d65732bcac2fda9d15421f76f01e81CVE reference, Linux
- https://git.kernel.org/stable/c/9f3be61f55d4eedc20eedc56c0f04a5ce2b4a55aCVE reference, Linux
- https://git.kernel.org/stable/c/d2706004a1b8b526592e823d7e52551b518a7941CVE reference, Linux
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.