Security readout for executives and security teams
Plain-English summary
This is a Linux kernel AMD graphics suspend deadlock. On affected systems, suspending through GNOME can trigger graphics DMA activity and hang the machine. The business impact is availability: endpoints or workstations may lock up during suspend, causing user disruption and possible unsaved work loss.
Executive priority
Treat this as a targeted availability issue, not a broad remote compromise signal. Patch through normal kernel maintenance, with higher priority for Linux desktop or workstation fleets using AMD graphics and suspend.
Technical view
The kernel fix reverts an earlier DRM/AMD change because newer amdgpu SDMA ring begin/end callbacks increased GFXOFF control usage. That made a removed suspend-entry path reachable again, allowing SDMA traffic during GNOME lockscreen-triggered suspend to deadlock the system.
Likely exposure
Exposure is most likely on Linux systems using AMDGPU/DRM AMD graphics with affected kernel builds and suspend workflows. Desktop and laptop fleets using GNOME are the clearest fit from the source description. Server exposure is less clear unless those systems use the affected AMD graphics path and suspend.
Exploitation context
The source bundle does not show active exploitation, and KEV is false. The described trigger is local suspend behavior involving GNOME, lockscreen activity, SDMA traffic, and AMD graphics power management. No remote attack path or weaponized exploit is evidenced in the provided sources.
Researcher notes
Evidence is limited to the kernel CVE description and stable commit references. The affected-version data is sparse and severity is not scored. Validate against distribution backports rather than upstream version numbers alone.
Mitigation direction
- Check Linux distribution advisories for a kernel including the referenced stable fixes.
- Upgrade affected systems to a vendor-supported kernel containing the revert.
- Prioritize AMDGPU systems where suspend or GNOME lockscreen suspend is used.
- Temporarily avoid affected suspend workflows where operationally acceptable.
- Track kernel package changelogs for CVE-2024-26916 or the referenced commits.
Validation and detection
- Inventory Linux kernel versions across AMD graphics endpoints.
- Identify systems using the amdgpu DRM driver and suspend workflows.
- Confirm whether installed vendor kernels include one of the referenced stable commits.
- Test suspend and resume on representative patched AMDGPU systems.
- Monitor for post-suspend hangs or deadlocks in endpoint reports.
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-2024-26916 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.
SSVC decision data
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/65158edb0a3a8df23197d52cd24287e39eaf95d6CVE reference, Linux
- https://git.kernel.org/stable/c/ff70e6ff6fc2413caf33410af7462d1f584d927eCVE reference, Linux
- https://git.kernel.org/stable/c/caa2565a2e13899be31f7b1e069e6465d3e2adb0CVE reference, Linux
- https://git.kernel.org/stable/c/d855ceb6a5fde668c5431156bc60fae0cc52b764CVE reference, Linux
- https://git.kernel.org/stable/c/916361685319098f696b798ef1560f69ed96e934CVE 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.