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CVE-2026-46245

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dc_link NULL handling in HPD init amdgpu_dm_hpd_init() may see connectors without a valid dc_link. The code already checks dc_link for the polling decision, but later unconditionally dereferences it when setting up HPD interrupts. Assign dc_link early and skip connectors where it is NULL. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_irq.c:940 amdgpu_dm_hpd_init() error: we
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a4750fe72acacc7e7946bdd72221b10c8514ceb1cf6d3317df37a300474f4555
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":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a490e4d3c9fed1e690c8de348416eea3a9f054ff","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"},{"lessThan":"226a40c06a183abaeb7529a4f54d6c203bd14407","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a490e4d3c9fed1e690c8de348416eea3a9f054ff","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"},{"lessThan":"226a40c06a183abaeb7529a4f54d6c203bd14407","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/affected/1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/226a40c06a183abaeb7529a4f54d6c203bd14407"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/a490e4d3c9fed1e690c8de348416eea3a9f054ff"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a61d563a922eea0c2ef8c3e2dfd6ed62a0f9901a0b6503d0a1bf90be57c72641 · sha256:a863f8ab408b70bb… · /containers/cna/references/0

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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