CVE-2026-98785: falha em Linux
drm/amd/display: check dc_state_create_copy() for NULL in dm_suspend
Publicada em · Atualizada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 93% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: check dc_state_create_copy() for NULL in dm_suspend
dc_state_create_copy() can return NULL on allocation failure.
dm_suspend() only conditionally skips dm_gpureset_toggle_interrupts()
and continues execution, returning success. dm_resume() then
dereferences the NULL cached_dc_state in link_enc_cfg_copy() and the
following dc_state->stream_count loop, crashing during GPU reset
recovery.
Return -ENOMEM immediately if the copy fails, so the caller aborts
suspend instead of leaving a NULL cached state for resume.
(cherry picked from commit 84b6d7932fdd2857795a257f9f258562a3cddcab)
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