drm/i915/gt: Fix NULL deref on sched_engine alloc failure
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 4 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on sched_engine alloc failure Avoid using intel_context_put() before intel_context_init() in execlists_create_virtual() as the kref_put() inside would lead to NULL deref on the IOCTL path when sched_engine allocation fails. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 4f2a12f2d50e9f48227656e4dcbd6423506be31d)
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.114, 6.18.57, 7.1.6, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux for NVIDIA 26 | Affected | No fix planned: Out of support scope |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-68242
- 2026-10-03 Alias added: GHSA-4cj7-cqhw-3cg9
- 2026-10-16 Fix available: Linux/[email protected], Linux/Linux@c174969f6af6c22fc9c51aefcdb7f9183c3a329a · CNA
- 2026-10-16 1 new reference · CNA
- 2026-10-21 Fix available: Linux/[email protected], Linux/[email protected], Linux/Linux@7214db3e62fa9f0be7981cba9039bd835a79c070 +1 · CNA
- 2026-10-21 2 new references · CNA
- 2026-10-30 Affected versions changed · Red Hat
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@9ea0aaf8bf9fda6e101f2304391f066d99d0d054 · CNA
- 2026-10-30 1 new reference · CNA
References
Other 6
- https://git.kernel.org/stable/c/9ea0aaf8bf9fda6e101f2304391f066d99d0d054
- https://git.kernel.org/stable/c/bedeee4612afc15c53f8d3c6da05897506b4ca24
- https://git.kernel.org/stable/c/7214db3e62fa9f0be7981cba9039bd835a79c070
- https://git.kernel.org/stable/c/c174969f6af6c22fc9c51aefcdb7f9183c3a329a
- https://git.kernel.org/stable/c/edd4804f07b8369ed472de19272974e2bf2a6271
- https://git.kernel.org/stable/c/82ec992c404c3dc774c5e9f3d4aa858e97187675
More Linux vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-68242 · CVE Program
- CVE-2026-68242 · NVD
- FIRST EPSS
- GHSA-4cj7-cqhw-3cg9 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-68242 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences