CVE-2026-68242: drm/i915/gt: Fix NULL deref on sched_engine alloc failure
Vulnerability summary
CVE-2026-68242 is a medium (CVSS 5.7) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.
Not severe (CVSS 5.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 15Timeline
- 10-08-2026PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
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)
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.20% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu157 products
- linuxAll versions (No fix recorded) | < 7.0.0-38.38
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 7.0.0-1014.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linuxAll versions (No fix recorded) | < 6.12.115-2 | < 7.1.6-1
Linux1 product
- linux≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < 9ea0aaf8bf9fda6e101f2304391f066d99d0d054 | ≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < bedeee4612afc15c53f8d3c6da05897506b4ca24 | ≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < 7214db3e62fa9f0be7981cba9039bd835a79c070 | ≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < c174969f6af6c22fc9c51aefcdb7f9183c3a329a | ≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < edd4804f07b8369ed472de19272974e2bf2a6271 | ≥ 3e28d37146db5dd49c469bc62a93ca791067d391, < 82ec992c404c3dc774c5e9f3d4aa858e97187675 | 5.15
3 vendors · 159 products