Security readout for executives and security teams
Plain-English summary
This CVE affects the Linux kernel AMDGPU driver. The disclosed issue is an improper cleanup sequence for an AMD GPU virtual-memory object when a graphics file handle closes. Public sources show a kernel fix, but they do not describe data theft, remote access, privilege escalation, or service-impact severity.
Executive priority
Track and patch through normal kernel maintenance unless your fleet relies heavily on AMDGPU workloads. There is no source-backed evidence of exploitation or severe impact, but kernel driver flaws deserve timely remediation because impact can be hard to assess from brief CVE records.
Technical view
The flaw is in drm/amdgpu cleanup of csa_va. The root page-directory buffer object should be reserved before unmapping and removing a BO VA from a VM. The provided trace shows a lockdep warning in amdgpu_vm_bo_del during amdgpu_driver_postclose_kms. Stable kernel commits resolve the ordering and null-check behavior.
Likely exposure
Exposure appears limited to Linux systems using the AMDGPU kernel driver on affected kernel builds. The source bundle lists Linux as affected across several kernel version entries, but does not provide CPEs, distribution packages, or hardware-specific scope beyond amdgpu.
Exploitation context
The source bundle does not show active exploitation, and KEV is false. It also does not provide exploitability details. Treat this as a kernel-driver correctness issue with unclear security impact until vendor or distribution advisories provide severity and attack requirements.
Researcher notes
Public evidence is sparse: no CVSS, CWE, CPE, exploit status, or concrete impact statement is provided. The strongest facts are the amdgpu call trace, the cleanup-order description, KEV false, and four stable commit references. Avoid assuming privilege escalation or denial of service without additional vendor analysis.
Mitigation direction
- Update to a vendor-supported kernel containing the referenced stable fixes.
- Check distribution advisories for fixed package versions and reboot requirements.
- Prioritize systems with AMD GPUs and loaded amdgpu driver exposure.
- If no vendor fix is available, monitor vendor guidance before applying custom kernels.
Validation and detection
- Inventory Linux kernel versions on AMD GPU systems.
- Confirm whether the running kernel includes one of the referenced stable commits.
- Review vendor changelogs for CVE-2023-53545 or the amdgpu csa_va fix.
- Check kernel logs for related amdgpu_vm_bo_del or lockdep warnings.
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-2023-53545 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/1bc35e637a81dac5f5155e83a277c26708c4d4d7CVE reference, Linux
- https://git.kernel.org/stable/c/ae325b245208394279a1dc412c831ebd71befb0dCVE reference, Linux
- https://git.kernel.org/stable/c/a3a96bf843c356d1d9b2d7f6d0784b6ee28ca9d0CVE reference, Linux
- https://git.kernel.org/stable/c/5daff15cd013422bc6d1efcfe82b586800025384CVE 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.