CVE-2026-46247
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
03/06/2026
Last modified:
03/06/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
clk: qcom: gfx3d: add parent to parent request map<br />
<br />
After commit d228ece36345 ("clk: divider: remove round_rate() in favor<br />
of determine_rate()") determining GFX3D clock rate crashes, because the<br />
passed parent map doesn&#39;t provide the expected best_parent_hw clock<br />
(with the roundd_rate path before the offending commit the<br />
best_parent_hw was ignored).<br />
<br />
Set the field in parent_req in addition to setting it in the req,<br />
fixing the crash.<br />
<br />
clk_hw_round_rate (drivers/clk/clk.c:1764) (P)<br />
clk_divider_bestdiv (drivers/clk/clk-divider.c:336)<br />
divider_determine_rate (drivers/clk/clk-divider.c:358)<br />
clk_alpha_pll_postdiv_determine_rate (drivers/clk/qcom/clk-alpha-pll.c:1275)<br />
clk_core_determine_round_nolock (drivers/clk/clk.c:1606)<br />
clk_core_round_rate_nolock (drivers/clk/clk.c:1701)<br />
__clk_determine_rate (drivers/clk/clk.c:1741)<br />
clk_gfx3d_determine_rate (drivers/clk/qcom/clk-rcg2.c:1268)<br />
clk_core_determine_round_nolock (drivers/clk/clk.c:1606)<br />
clk_core_round_rate_nolock (drivers/clk/clk.c:1701)<br />
clk_core_round_rate_nolock (drivers/clk/clk.c:1710)<br />
clk_round_rate (drivers/clk/clk.c:1804)<br />
dev_pm_opp_set_rate (drivers/opp/core.c:1440 (discriminator 1))<br />
msm_devfreq_target (drivers/gpu/drm/msm/msm_gpu_devfreq.c:51)<br />
devfreq_set_target (drivers/devfreq/devfreq.c:360)<br />
devfreq_update_target (drivers/devfreq/devfreq.c:426)<br />
devfreq_monitor (drivers/devfreq/devfreq.c:458)<br />
process_one_work (arch/arm64/include/asm/jump_label.h:36 include/trace/events/workqueue.h:110 kernel/workqueue.c:3284)<br />
worker_thread (kernel/workqueue.c:3356 (discriminator 2) kernel/workqueue.c:3443 (discriminator 2))<br />
kthread (kernel/kthread.c:467)<br />
ret_from_fork (arch/arm64/kernel/entry.S:861)
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/2583cb925ca1ce450aa5d74a05a67448db970193
- https://git.kernel.org/stable/c/547ae2f17349c7586953af5ef50de43ef3f65e9e
- https://git.kernel.org/stable/c/56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8
- https://git.kernel.org/stable/c/82cfe5292b11deb1dc33822f67f73cfbe8eafe25
- https://git.kernel.org/stable/c/8aa972eba1f29068d13bec716d33abca30fb3f2a
- https://git.kernel.org/stable/c/aed53da569fb96eec09b4817b1953bcc2e467eea



