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CVE Record

CVE-2023-52931: drm/i915: Avoid potential vm use-after-free

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Avoid potential vm use-after-free Adding the vm to the vm_xa table makes it visible to userspace, which could try to race with us to close the vm. So we need to take our extra reference before putting it in the table. (cherry picked from commit 99343c46d4e2b34c285d3d5f68ff04274c2f9fb4)

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel flaw in the Intel i915 graphics driver. A local user could potentially trigger a use-after-free condition by racing virtual memory handling, creating risk to confidentiality, integrity, and availability on affected Linux systems.

Executive priority

Treat as high priority where affected Linux endpoints or shared systems use Intel i915 graphics. It is not described as remotely exploitable, but local privilege and stability impacts can still create material operational risk.

Technical view

CVE-2023-52931 is a CWE-416 use-after-free in drm/i915 VM handling. The source says a VM became visible to userspace before an extra reference was taken, allowing a race with VM close. CVSS 3.1 is 7.8 with local, low-complexity, low-privilege exploitation characteristics.

Likely exposure

Exposure is most likely on Linux systems running affected kernel versions with the drm/i915 driver in use, especially Intel GPU workstations, laptops, and multi-user Linux environments. The source does not identify specific distributions or downstream package versions.

Exploitation context

The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates local authenticated access is required, with no user interaction, and potential high impact across confidentiality, integrity, and availability.

Researcher notes

The core issue is reference ordering around publishing the VM into vm_xa. Evidence is limited to the CVE description, CVSS data, and Linux stable commit references. No exploit details, distribution mapping, or confirmed exploitation are provided in the bundle.

Mitigation direction

  • Upgrade to a vendor-supported kernel containing the cited stable fixes.
  • Check your Linux distribution advisory for exact fixed package versions.
  • Prioritize multi-user systems and endpoints with Intel i915 graphics enabled.
  • Limit unnecessary local shell access until patched.
  • Do not rely on unverified third-party patch guidance.

Validation and detection

  • Inventory Linux kernel versions across affected assets.
  • Confirm whether drm/i915 is present and used on each system.
  • Compare installed kernels against vendor advisories and the cited stable commits.
  • Review local-user exposure on shared workstations and developer systems.
  • Track remediation through kernel package update records.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

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 lookup
cve · low confidence lookup

CVE-2023-52931 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2023-52931Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux9ec8795e7d91bc650db03dc6f5315667555dae11, 9ec8795e7d91bc650db03dc6f5315667555dae11unaffected
LinuxLinux5.16, 0, 6.1.11, 6.2affected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-416 · source CWE mapping

Use After Free

Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.