Security readout for executives and security teams
Plain-English summary
CVE-2024-23848 is a Linux kernel memory safety bug in the CEC media subsystem. A local authenticated user could potentially crash or disrupt an affected system. The available sources point to availability impact, not data theft or remote compromise.
Executive priority
Treat this as a moderate-priority reliability and hardening issue. It is not evidenced as remotely exploitable or actively exploited, but local denial-of-service risk matters for shared systems, appliances, and operational environments where uptime is important.
Technical view
The issue is a CWE-416 use-after-free in cec_queue_msg_fh, related to drivers/media/cec/core/cec-adap.c and cec-api.c in Linux kernel through 6.7.1. CVSS 3.1 is 5.5: local attack vector, low complexity, low privileges, no user interaction, high availability impact.
Likely exposure
Exposure is most likely on Linux systems running kernel versions through 6.7.1 where the CEC media subsystem is present or reachable by local users. The bundle does not enumerate affected distributions, appliances, or Siemens product details.
Exploitation context
The CVE is not listed as KEV in the supplied bundle. The provided evidence does not show active exploitation or a public exploit. The CVSS vector indicates local, low-privilege exploitation risk focused on denial of service.
Researcher notes
The public bundle is sparse. It identifies the vulnerable function, files, CWE, CVSS, Linux kernel version range, LKML reference, and Siemens advisory, but does not provide exploit details, affected downstream products, or explicit mitigation text.
Mitigation direction
- Inventory Linux kernel versions and flag systems at or below 6.7.1.
- Check Linux distribution, kernel, and device-vendor advisories for fixed releases.
- Apply vendor-supported kernel or firmware updates when coverage is confirmed.
- Limit local shell access to trusted users on potentially affected systems.
- Restrict or disable unused CEC/media device access where operationally feasible.
Validation and detection
- Confirm whether systems run Linux kernel through 6.7.1.
- Check whether CEC media components are enabled or exposed to local users.
- Review vendor advisories for affected product and fixed-version mapping.
- Verify remediation by confirming the installed kernel or firmware build.
- Monitor vendor security notices for downstream product-specific 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-416: 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-2024-23848 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 publishedCVE Program
The CVE record was published.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- 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://lore.kernel.org/lkml/e9f42704-2f99-4f2c-ade5-f952e5fd53e5%40xs4all.nl/CVE reference, mitre
- 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 After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.