Security readout for executives and security teams
Plain-English summary
A Linux Intel graphics driver error can calculate partial memory-mapping boundaries incorrectly, potentially causing unintended page-fault access. Exploitation requires low-privilege local access, not remote network access. The supplied CVSS score is 7.8, reflecting potentially serious confidentiality, integrity, and availability consequences.
Executive priority
Treat this as a high-priority local privilege-boundary risk on multi-user Linux endpoints using Intel graphics. Prioritize shared workstations and systems where untrusted users can obtain accounts. It is not supported as a remote or actively exploited emergency by the supplied evidence.
Technical view
The i915 GEM mapping logic used the lesser of requested and actual sizes without properly incorporating the partial mapping offset. The correction derives total mapping size from adjusted start and end addresses. The vulnerable path depends on earlier commit 60a2066c5005, and stable-kernel fixes are referenced.
Likely exposure
Exposure primarily concerns Linux systems using Intel i915 graphics on affected kernel branches. The bundle lists releases from 4.9 through 6.11, but does not provide sufficiently clear ranges or distribution package builds. Systems permitting untrusted users local access warrant particular attention.
Exploitation context
The CVSS vector requires local access and low privileges, with no user interaction. The bundle marks this CVE as absent from KEV and provides no evidence of active exploitation. A Project Zero issue is referenced, but its exploit-status details are not included.
Researcher notes
The fix recalculates the mapped interval from corrected start and end addresses, incorporating the partial offset. It carries a dependency on commit 60a2066c5005 and was cherry-picked from 97b6784753da06d9d40232328efc5c5367e53417. No CWE is supplied, and public exploit availability is not established.
Mitigation direction
- Update to a vendor-supported kernel containing the applicable upstream stable fix or distribution backport.
- Follow distribution or appliance vendor advisories for exact fixed package versions.
- Reboot affected systems into the updated kernel and confirm the new kernel is active.
- Until patched, reduce untrusted local account access on systems using Intel i915 graphics.
Validation and detection
- Inventory running kernel releases and distribution package builds across Linux systems.
- Determine whether the Intel i915 driver and GEM mapping path are present and used.
- Verify the kernel source or vendor changelog contains the relevant stable fix or identified backport.
- After reboot, confirm the running kernel matches the patched package and monitor for related GPU page faults.
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
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CVE-2024-42259 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/3e06073d24807f04b4694108a8474decb7b99e60CVE reference, Linux
- https://git.kernel.org/stable/c/a256d019eaf044864c7e50312f0a65b323c24f39CVE reference, Linux
- https://git.kernel.org/stable/c/50111a8098fb9ade621eeff82228a997d42732abCVE reference, Linux
- https://git.kernel.org/stable/c/911f8055f175c82775d0fd8cedcd0b75413f4ba7CVE reference, Linux
- https://git.kernel.org/stable/c/e8a68aa842d3f8dd04a46b9d632e5f67fde1da9bCVE reference, Linux
- https://git.kernel.org/stable/c/4b09513ce93b3dcb590baaaff2ce96f2d098312dCVE reference, Linux
- https://git.kernel.org/stable/c/ead9289a51ea82eb5b27029fcf4c34b2dd60cf06CVE reference, Linux
- https://git.kernel.org/stable/c/8bdd9ef7e9b1b2a73e394712b72b22055e0e26c3CVE reference, Linux
- https://project-zero.issues.chromium.org/issues/42451707CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlCVE reference, CVE
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.htmlCVE reference, CVE
- 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.