Security readout for executives and security teams
Plain-English summary
This is a Linux kernel flaw in the MediaTek DRM graphics driver. If driver setup fails and the system later enters suspend, the kernel can use a pointer to an already destroyed object, causing a panic and potentially broader local impact.
Executive priority
Treat as high priority for fleets containing MediaTek-based Linux devices. It is less likely to matter for standard servers without this driver, but affected endpoint, embedded, kiosk, or appliance systems should be patched through normal kernel channels.
Technical view
mtk_drm_bind() may call drm_dev_put() on a bind failure, destroying the drm_device while leaving a stale pointer in the driver private object. mtk_drm_sys_prepare() can later pass that dangling pointer to DRM during suspend. The CVE is classified as CWE-416 with CVSS 3.1 score 7.8.
Likely exposure
Exposure appears limited to Linux systems using affected kernel versions and the MediaTek DRM driver path. The source bundle lists affected Linux versions and stable kernel fix commits, but does not identify specific distributions, appliances, or cloud images.
Exploitation context
The CVSS vector is local, low complexity, low privileges, and no user interaction. The bundle does not report active exploitation, and KEV is false. Practical impact depends on reaching the bind failure state and subsequent suspend path.
Researcher notes
Evidence supports a dangling pointer/use-after-free on an error path followed by suspend handling. The source bundle provides fix commits but no exploit proof, affected distribution matrix, or operational workaround beyond updating to fixed kernel code.
Mitigation direction
- Apply Linux stable or vendor kernel updates containing the referenced fixes.
- Prioritize MediaTek SoC devices or builds enabling the MediaTek DRM driver.
- Check distribution advisories for backported kernel packages and reboot requirements.
- Limit untrusted local user access on exposed affected systems until patched.
Validation and detection
- Inventory Linux kernel versions against the affected version list and vendor advisories.
- Confirm whether the MediaTek DRM driver is built, loaded, or used on the device.
- Verify installed kernel includes one of the referenced stable fix commits or a vendor backport.
- Review crash logs for suspend-time DRM or MediaTek driver 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.
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-2023-53388 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/9a48f99aa7bea15e0b1d8b0040c46b4792eddf3bCVE reference, Linux
- https://git.kernel.org/stable/c/a161f1d92aabb3b8463f752bdc3474dc3a5ec0e5CVE reference, Linux
- https://git.kernel.org/stable/c/6a89ddee1686a8872384aaa9f0bcfa6b675acd86CVE reference, Linux
- https://git.kernel.org/stable/c/49cf87919daeeeeeb9e924c39bdd9203af434461CVE reference, Linux
- https://git.kernel.org/stable/c/7b551a501fa714890e55bae73efede1185728d72CVE reference, Linux
- https://git.kernel.org/stable/c/f3887c771576c5d740c5c5b8bf654a8ab8020b7dCVE reference, Linux
- https://git.kernel.org/stable/c/36aa8c61af55675ed967900fbe5deb32d776f051CVE 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.