Security readout for executives and security teams
Plain-English summary
This is a Linux kernel availability bug in Qualcomm SM6350 clock handling. A missing clock parent mapping can trigger a NULL pointer dereference when a clock rate is changed, potentially crashing affected systems. It does not indicate data theft or privilege escalation in the supplied sources.
Executive priority
Treat as a targeted availability risk. It is not a broad internet-facing emergency from the supplied evidence, but SM6350 device fleets should patch during the next appropriate maintenance window, sooner where uptime is critical.
Technical view
The Qualcomm gcc-sm6350 clock driver defines clk_rcg2 parents without matching parent_map entries for two clocks. When clk_set_rate reaches qcom_find_src_index through rate determination, the missing mapping can dereference NULL and crash the kernel. The CVE maps this to CWE-476 with CVSS 5.5, local, low-privilege, availability-only impact.
Likely exposure
Exposure appears limited to Linux kernels running the Qualcomm SM6350 GCC clock driver. This is most relevant to devices or custom kernels for SM6350-based hardware. General servers without this Qualcomm clock path are unlikely to be exposed based on the supplied sources.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. The CVSS vector requires local access with low privileges and no user interaction. The practical impact is denial of service through kernel crash, not confidentiality or integrity compromise.
Researcher notes
Evidence supports a kernel NULL pointer dereference caused by missing parent_map definitions. The source bundle provides fix commits and one Debian LTS reference, but does not provide public exploit evidence, affected distro package granularity beyond Debian, or device-specific exposure lists.
Mitigation direction
- Apply the relevant Linux stable kernel update containing the referenced fixes.
- Check Debian LTS guidance if using Debian-packaged kernels.
- Prioritize SM6350-based devices and custom kernel builds first.
- If no vendor package is available, track vendor kernel advisories before changing production kernels.
Validation and detection
- Inventory Linux kernel versions and hardware using Qualcomm SM6350 support.
- Confirm whether the gcc-sm6350 clock driver is built or loaded.
- Compare kernel source or package changelog against the referenced stable commits.
- Review crash logs for clk_set_rate, qcom_find_src_index, or clk_rcg2 traces.
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-2024-58076 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/175af15551ed5aa6af16ff97aff75cfffb42da21CVE reference, Linux
- https://git.kernel.org/stable/c/39336edd14a59dc086fb19957655e0f340bb28e8CVE reference, Linux
- https://git.kernel.org/stable/c/08b77ed7cfaac62bba51ac7a0487409ec9fcbc84CVE reference, Linux
- https://git.kernel.org/stable/c/b6fe13566bf5676b1e3b72d2a06d875733e93ee6CVE reference, Linux
- https://git.kernel.org/stable/c/3e567032233a240b903dc11c9f18eeb3faa10ffaCVE reference, Linux
- https://git.kernel.org/stable/c/96fe1a7ee477d701cfc98ab9d3c730c35d966861CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.htmlCVE reference, CVE
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.