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CVE-2026-23039

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fix NULL fb and crtc dereferences on USB disconnect On disconnect drm_atomic_helper_disable_all() is called which sets both the fb and crtc for a plane to NULL before invoking a commit. This causes a kernel oops on every display disconnect. Add guards for those dereferences.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8c06804c2fba8a108c68d2d20afd775a4f5b5f0e14d50f91591414460c5cadd1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_pipe.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_pipe.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a255ec07f91d4c73a361a28b7a3d82f5710245f1","status":"affected","version":"73cfd166e045769a1b42d36897accaa6e06b8102","versionType":"git"},{"lessThan":"dc2d5ddb193e363187bae2ad358245642d2721fb","status":"affected","version":"73cfd166e045769a1b42d36897accaa6e06b8102","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_pipe.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_pipe.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a255ec07f91d4c73a361a28b7a3d82f5710245f1","status":"affected","version":"73cfd166e045769a1b42d36897accaa6e06b8102","versionType":"git"},{"lessThan":"dc2d5ddb193e363187bae2ad358245642d2721fb","status":"affected","version":"73cfd166e045769a1b42d36897accaa6e06b8102","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/a255ec07f91d4c73a361a28b7a3d82f5710245f1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/dc2d5ddb193e363187bae2ad358245642d2721fb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d421d3b8dc88a27591da099032e43b38cbd1bb43d53e5a76a155341fffc9137b · sha256:6f0d71278ec70a33… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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