Security readout for executives and security teams
Plain-English summary
CVE-2022-50354 is a Linux kernel flaw in the AMD GPU compute driver path. A local user on an affected system could trigger a kernel NULL pointer dereference and cause a denial of service. The sources do not show data theft, privilege escalation, or confirmed active exploitation.
Executive priority
Treat as a moderate availability risk. It is not a remote takeover issue, but on shared GPU or workstation infrastructure it can cause host disruption. Patch through normal kernel update processes, with faster handling for multi-user GPU systems.
Technical view
The issue is CWE-476 in drm/amdkfd error handling during kfd_process_device_init_vm cleanup. Incorrect destruction of GPU VM resources can leave state that later causes a NULL pointer dereference in the process destroy worker. CVSS is 5.5, local, low complexity, low privilege, no user interaction, availability high.
Likely exposure
Exposure is most relevant to Linux systems running affected kernel versions with AMDGPU/AMDKFD functionality. The source lists Linux kernel versions including 5.16, 6.0.19, 6.1.5, and 6.2 as affected, but distribution backport status must be verified separately.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not cite active exploitation or public weaponization. The attack vector is local with low privileges, so risk is highest on shared workstations, GPU compute nodes, or servers where untrusted users can run code.
Researcher notes
Evidence is limited to the CVE record and Linux stable commits. The source bundle describes the crash path and fix direction but does not provide exploit details, operational indicators beyond the call trace, or distribution-specific affected package data.
Mitigation direction
- Apply vendor kernel updates containing the referenced stable fixes.
- Verify distribution backports rather than relying only on version strings.
- Prioritize GPU-enabled multi-user systems and compute hosts.
- Restrict untrusted local access to affected GPU hosts until patched.
Validation and detection
- Inventory Linux kernel versions on AMD GPU-capable systems.
- Check whether AMDGPU/AMDKFD modules are installed or active.
- Confirm the running kernel includes one relevant stable fix or vendor backport.
- Review kernel logs for matching NULL pointer dereference traces.
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-476: 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-2022-50354 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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/b6e78bd3bf2eb964c95eb2596d3cd367307a20b5CVE reference, Linux
- https://git.kernel.org/stable/c/9d74d1f52e16d8e07f7fbe52e96d6391418a2fe9CVE reference, Linux
- https://git.kernel.org/stable/c/29d48b87db64b6697ddad007548e51d032081c59CVE 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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.