Security readout for executives and security teams
Plain-English summary
CVE-2024-36955 is a Linux kernel issue in the Intel SoundWire ACPI audio path. A missing reference release can leak kernel resources. The score is high, but the supplied evidence describes local attack conditions and does not show internet-facing remote exploitation or active exploitation.
Executive priority
Treat as a high-priority kernel maintenance item, not an emergency remote-exploitation event based on current evidence. Patch during the next accelerated Linux update cycle, with priority for exposed endpoints and shared systems.
Technical view
The ALSA hda intel-sdw-acpi code used device_get_named_child_node() without the required fwnode_handle_put(). The kernel fix adds that release call to avoid a leaked reference. The supplied CVSS vector is AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H with score 7.7.
Likely exposure
Exposure is most relevant to Linux systems running affected kernel versions or vendor kernels that include this code path. Exact risk depends on distro backports, hardware configuration, and whether the vulnerable kernel code is present.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates local access, low complexity, no privileges, and no user interaction, but the bundle does not provide exploit mechanics.
Researcher notes
The evidence is limited to the CVE record and kernel stable commits. Validate exact affected ranges through the Linux CVE record and distribution advisories before making asset-level conclusions. Do not infer active exploitation from the CVSS score alone.
Mitigation direction
- Apply vendor kernel updates that include the referenced stable fixes.
- Check Linux distribution advisories for backported fixes and affected package versions.
- Prioritize user-accessible workstations, multi-user Linux systems, and sensitive endpoints.
- Track kernel upgrade completion through endpoint and server inventory.
Validation and detection
- Identify running kernel versions across Linux assets.
- Compare installed kernels against vendor advisories for CVE-2024-36955.
- Confirm the kernel package includes one of the referenced stable fixes or a distro backport.
- Review vulnerability scanner findings for stale kernels after patch deployment.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2024-36955 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/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:N/UI:N/S:U/C:H/I:N/A:H2.55.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/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/bd2d9641a39e6b5244230c4b41c4aca83b54b377CVE reference, Linux
- https://git.kernel.org/stable/c/722d33c442e66e4aabd3e778958d696ff3a2777eCVE reference, Linux
- https://git.kernel.org/stable/c/7db626d2730d3d80fd31638169054b1e507f07bfCVE reference, Linux
- https://git.kernel.org/stable/c/7ef6ecf98ce309b1f4e5a25cddd5965d01feea07CVE reference, Linux
- https://git.kernel.org/stable/c/c158cf914713efc3bcdc25680c7156c48c12ef6aCVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.