Security readout for executives and security teams
Plain-English summary
CVE-2024-58084 is a Linux kernel availability bug in Qualcomm SCM firmware code. A local low-privileged user could trigger a kernel NULL pointer dereference on affected systems, potentially crashing the system. The sources do not indicate data theft, privilege escalation, or active exploitation.
Executive priority
Treat this as a moderate availability risk. Patch affected Qualcomm-based Linux systems through normal urgent maintenance, faster for systems where downtime has business impact or local user access is broadly available.
Technical view
The qcom SCM driver can read a stale global __scm value because qcom_scm_get_tzmem_pool() lacked a paired read barrier. That stale NULL value can be dereferenced. The upstream fix uses qcom_scm_is_available(), whose barrier satisfies the required control dependency. CWE-476 applies.
Likely exposure
Exposure is most likely on Linux systems using the Qualcomm SCM firmware path and affected kernel builds listed by the CVE record. Generic Linux systems without this driver path are less likely to be exposed, but the bundle does not provide a complete product matrix.
Exploitation context
The CVSS vector is local, low complexity, low privileges, no user interaction, with high availability impact only. The bundle marks KEV as false and provides no cited evidence of active exploitation or public weaponization.
Researcher notes
The evidence supports a kernel race or ordering defect leading to NULL dereference, not confidentiality or integrity compromise. Affected-version details in the bundle are limited and oddly formatted, so validate against vendor kernel trees and stable commit inclusion.
Mitigation direction
- Apply Linux kernel updates containing the referenced stable fixes.
- Check distribution or device-vendor advisories for supported patched builds.
- Prioritize Qualcomm-platform Linux devices where qcom SCM firmware support is enabled.
- Avoid inventing local workarounds; follow vendor kernel guidance.
Validation and detection
- Inventory running Linux kernel versions across Qualcomm-based systems.
- Confirm whether the qcom SCM firmware driver is present and enabled.
- Verify patched kernel sources include one of the referenced stable commits.
- Record systems still on affected builds for maintenance scheduling.
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-2024-58084 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/fee921e3c641f64185abee83f9a6e65f0b380682CVE reference, Linux
- https://git.kernel.org/stable/c/e03db7c1255ebabba5e1a447754faeb138de15a2CVE reference, Linux
- https://git.kernel.org/stable/c/b628510397b5cafa1f5d3e848a28affd1c635302CVE 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.