Security readout for executives and security teams
Plain-English summary
A flaw in Linux’s Intel i915 graphics handling can leave a stale memory mapping and trigger a kernel panic. A local, low-privileged user may be able to reach the vulnerable path, potentially crashing the system and disrupting business operations.
Executive priority
Treat this as a prompt patching priority for affected graphical Linux systems, especially shared workstations or hosts permitting untrusted local users. It is not supported as an internet-wide emergency, but a successful trigger could cause an operating-system crash and material downtime.
Technical view
The i915 DPT object could be reclaimed while its framebuffer remained on the VM bound list. Later page-table-entry rewriting could use a stale CPU mapping, causing a kernel panic. The supplied CVSS 3.1 score is 7.8 with local access, low complexity, low privileges, and no user interaction.
Likely exposure
Exposure is most likely on Linux systems using Intel i915 graphics and the affected DPT path. The bundle identifies several Linux 6.x entries as affected, but its flattened version list does not clearly express exact range boundaries. Distribution-specific kernel advisories should determine exposure.
Exploitation context
The bundle marks this CVE as absent from KEV and provides no evidence of active exploitation. The CVSS vector describes a local, low-privileged attack path; it does not support unauthenticated remote exploitation.
Researcher notes
The description directly substantiates a stale-mapping kernel panic. Although the CVSS vector rates confidentiality, integrity, and availability impacts high, the supplied narrative explains only the panic. Exact affected-version boundaries and practical reachability are insufficiently detailed, so validate against distribution advisories and the cited stable commits.
Mitigation direction
- Apply a distribution or vendor kernel update containing the cited stable fix for CVE-2024-40924.
- Prioritize systems using Intel i915 graphics and kernel versions identified by vendor advisories as affected.
- Restrict untrusted local access until patched; the supplied sources name no separate workaround.
- Reboot into the updated kernel and follow distribution guidance for package-specific requirements.
Validation and detection
- Inventory running kernel and distribution package versions across systems with Intel graphics.
- Determine whether the i915 driver and DPT-backed display path are present and used.
- Confirm package changelogs map the installed update to CVE-2024-40924 or a cited fix commit.
- After reboot, verify the updated kernel is running and review logs for recurring i915 panics.
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.
CVE-2024-40924 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H/I:H/A:H1.85.9LinuxVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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/327280149066f0e5f2e50356b5823f76dabfe86eCVE reference, Linux
- https://git.kernel.org/stable/c/7a9883be3b98673333eec65c4a21cc18e60292ebCVE reference, Linux
- https://git.kernel.org/stable/c/a2552020fb714ff357182c3c179abfac2289f84dCVE reference, Linux
- https://git.kernel.org/stable/c/43e2b37e2ab660c3565d4cff27922bc70e79c3f1CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.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.