Security readout for executives and security teams
Plain-English summary
This is a local Linux kernel vulnerability in the drm/xe user-fence handling path. A low-privileged local user may be able to trigger serious confidentiality, integrity, and availability impact by supplying an invalid user-space address. The public sources do not show active exploitation.
Executive priority
Treat as high priority for Linux fleets with local multi-user exposure or untrusted workload execution. It is not currently sourced as exploited in the wild, but the impact rating justifies timely patching through normal kernel update channels.
Technical view
The fix changes drm/xe/ufence handling to prefetch or read the user-fence address, because access_ok() only checked address overflow and did not catch all bogus user-space addresses. The CVE lists CWE-787 and CVSS 7.8 with local, low-complexity, low-privilege exploitation and high CIA impact.
Likely exposure
Exposure appears limited to Linux systems running affected kernel versions or commits that include the drm/xe/ufence code path. The source lists Linux kernel 6.8 through 6.12-related affected entries, but distribution backports may change exact exposure.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no provided source states active exploitation. The attack vector is local with low privileges and no user interaction, so shared systems and endpoints allowing untrusted local code deserve priority.
Researcher notes
Evidence is limited to the CVE record and kernel stable references. Validate exposure through distro-specific advisories, because enterprise kernels often backport fixes without matching upstream version numbers. Avoid assuming exploitability beyond the local, low-privilege CVSS context.
Mitigation direction
- Apply kernel updates that include the referenced stable fixes.
- Check distribution vendor advisories for backported fixed kernel versions.
- Prioritize systems where untrusted local users can execute code.
- Plan reboots or live-patching according to kernel update procedures.
Validation and detection
- Inventory running Linux kernel versions across endpoints and servers.
- Compare installed kernels against vendor advisories and CVE affected entries.
- Confirm fixed builds include the referenced stable kernel commits.
- Document any systems deferred from patching and their local-user exposure.
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-787: 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-2024-53098 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:H1.85.9CISA-ADPVulnerability 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/5d623ffbae96b23f1fc43a3d5a267aabdb07583dCVE reference, Linux
- https://git.kernel.org/stable/c/9c1813b3253480b30604c680026c7dc721ce86d1CVE reference, Linux
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.