Security readout for executives and security teams
Plain-English summary
CVE-2024-35845 is a Linux kernel flaw in the Intel iwlwifi driver where debug information could be treated as a string without guaranteed NUL termination. The source rates it critical with potential confidentiality and availability impact, but the bundle does not show known active exploitation.
Executive priority
Treat as urgent for Linux endpoint and embedded-product fleets using Intel Wi-Fi, especially where vendor patch status is unclear. Do not assume internet-facing server exposure unless iwlwifi is present and reachable conditions apply.
Technical view
The resolved kernel change ensures iwl_fw_ini_debug_info_tlv is NUL-terminated before string use. The CVE record lists CWE-134 and CVSS 3.1 score 9.1, with network attack vector, no privileges, no user interaction, high confidentiality impact, and high availability impact.
Likely exposure
Likely exposure is Linux systems using affected kernel versions and the iwlwifi Wi-Fi driver path, including embedded or vendor-maintained Linux products. Actual exposure depends on hardware, driver inclusion, firmware/debug TLV handling, and downstream vendor backports.
Exploitation context
The source bundle marks KEV false and provides no cited evidence of exploitation in the wild. The CVSS vector indicates severe theoretical reachability, but practical exploitability and trigger conditions are not described in the supplied sources.
Researcher notes
The supplied affected-version data is broad and includes stable branch fix references, but it does not explain the full attack path. Validate against the upstream commits, CVE record, Debian LTS advisory, and product-specific advisories before assigning exploitability.
Mitigation direction
- Upgrade to a kernel containing the referenced stable fixes.
- Apply Debian or vendor kernel security updates where applicable.
- Check Siemens guidance for affected Siemens products before product-specific action.
- Prioritize systems with Intel Wi-Fi hardware using iwlwifi.
- Track downstream kernel backports rather than relying only on version strings.
Validation and detection
- Inventory Linux kernel versions across servers, endpoints, and appliances.
- Identify systems loading or packaging the iwlwifi driver.
- Compare installed kernels against vendor advisories and fixed stable commits.
- Confirm distro security update status after patching.
- Review SBOMs or firmware manifests for embedded Linux products.
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-134: 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-2024-35845 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H3.95.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/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/fabe2db7de32a881e437ee69db32e0de785a6209CVE reference, Linux
- https://git.kernel.org/stable/c/96aa40761673da045a7774f874487cdb50c6a2f7CVE reference, Linux
- https://git.kernel.org/stable/c/c855a1a5b7e3de57e6b1b29563113d5e3bfdb89aCVE reference, Linux
- https://git.kernel.org/stable/c/783d413f332a3ebec916664b366c28f58147f82cCVE reference, Linux
- https://git.kernel.org/stable/c/fec14d1cdd92f340b9ba2bd220abf96f9609f2a9CVE reference, Linux
- https://git.kernel.org/stable/c/71d4186d470e9cda7cd1a0921b4afda737c6f641CVE reference, Linux
- https://git.kernel.org/stable/c/ea1d166fae14e05d49ffb0ea9fcd4658f8d3dceaCVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlCVE reference, CVE · x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlCVE reference, siemens-SADP
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.
Use of Externally-Controlled Format String
Use of Externally-Controlled Format String represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.