{"id":"CVE-2026-46247","state":"PUBLISHED","title":"clk: qcom: gfx3d: add parent to parent request map","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: qcom: gfx3d: add parent to parent request map\n\nAfter commit d228ece36345 (\"clk: divider: remove round_rate() in favor\nof determine_rate()\") determining GFX3D clock rate crashes, because the\npassed parent map doesn't provide the expected best_parent_hw clock\n(with the roundd_rate path before the offending commit the\nbest_parent_hw was ignored).\n\nSet the field in parent_req in addition to setting it in the req,\nfixing the crash.\n\n clk_hw_round_rate (drivers/clk/clk.c:1764) (P)\n clk_divider_bestdiv (drivers/clk/clk-divider.c:336)\n divider_determine_rate (drivers/clk/clk-divider.c:358)\n clk_alpha_pll_postdiv_determine_rate (drivers/clk/qcom/clk-alpha-pll.c:1275)\n clk_core_determine_round_nolock (drivers/clk/clk.c:1606)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1701)\n __clk_determine_rate (drivers/clk/clk.c:1741)\n clk_gfx3d_determine_rate (drivers/clk/qcom/clk-rcg2.c:1268)\n clk_core_determine_round_nolock (drivers/clk/clk.c:1606)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1701)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1710)\n clk_round_rate (drivers/clk/clk.c:1804)\n dev_pm_opp_set_rate (drivers/opp/core.c:1440 (discriminator 1))\n msm_devfreq_target (drivers/gpu/drm/msm/msm_gpu_devfreq.c:51)\n devfreq_set_target (drivers/devfreq/devfreq.c:360)\n devfreq_update_target (drivers/devfreq/devfreq.c:426)\n devfreq_monitor (drivers/devfreq/devfreq.c:458)\n process_one_work (arch/arm64/include/asm/jump_label.h:36 include/trace/events/workqueue.h:110 kernel/workqueue.c:3284)\n worker_thread (kernel/workqueue.c:3356 (discriminator 2) kernel/workqueue.c:3443 (discriminator 2))\n kthread (kernel/kthread.c:467)\n ret_from_fork (arch/arm64/kernel/entry.S:861)","publishedAt":"2026-06-03T15:49:42.833Z","updatedAt":"2026-06-03T15:49:42.833Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"82cfe5292b11deb1dc33822f67f73cfbe8eafe25","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"547ae2f17349c7586953af5ef50de43ef3f65e9e","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"aed53da569fb96eec09b4817b1953bcc2e467eea","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"8aa972eba1f29068d13bec716d33abca30fb3f2a","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"2583cb925ca1ce450aa5d74a05a67448db970193","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/qcom/clk-rcg2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/qcom/clk-rcg2.c"]}],"references":["https://git.kernel.org/stable/c/82cfe5292b11deb1dc33822f67f73cfbe8eafe25","https://git.kernel.org/stable/c/547ae2f17349c7586953af5ef50de43ef3f65e9e","https://git.kernel.org/stable/c/56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8","https://git.kernel.org/stable/c/aed53da569fb96eec09b4817b1953bcc2e467eea","https://git.kernel.org/stable/c/8aa972eba1f29068d13bec716d33abca30fb3f2a","https://git.kernel.org/stable/c/2583cb925ca1ce450aa5d74a05a67448db970193"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46247.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46247","state":"PUBLISHED","datePublished":"2026-06-03T15:49:42.833Z","dateUpdated":"2026-06-03T15:49:42.833Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.107Z"},"containers":{"cna":{"title":"clk: qcom: gfx3d: add parent to parent request map","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: qcom: gfx3d: add parent to parent request map\n\nAfter commit d228ece36345 (\"clk: divider: remove round_rate() in favor\nof determine_rate()\") determining GFX3D clock rate crashes, because the\npassed parent map doesn't provide the expected best_parent_hw clock\n(with the roundd_rate path before the offending commit the\nbest_parent_hw was ignored).\n\nSet the field in parent_req in addition to setting it in the req,\nfixing the crash.\n\n clk_hw_round_rate (drivers/clk/clk.c:1764) (P)\n clk_divider_bestdiv (drivers/clk/clk-divider.c:336)\n divider_determine_rate (drivers/clk/clk-divider.c:358)\n clk_alpha_pll_postdiv_determine_rate (drivers/clk/qcom/clk-alpha-pll.c:1275)\n clk_core_determine_round_nolock (drivers/clk/clk.c:1606)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1701)\n __clk_determine_rate (drivers/clk/clk.c:1741)\n clk_gfx3d_determine_rate (drivers/clk/qcom/clk-rcg2.c:1268)\n clk_core_determine_round_nolock (drivers/clk/clk.c:1606)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1701)\n clk_core_round_rate_nolock (drivers/clk/clk.c:1710)\n clk_round_rate (drivers/clk/clk.c:1804)\n dev_pm_opp_set_rate (drivers/opp/core.c:1440 (discriminator 1))\n msm_devfreq_target (drivers/gpu/drm/msm/msm_gpu_devfreq.c:51)\n devfreq_set_target (drivers/devfreq/devfreq.c:360)\n devfreq_update_target (drivers/devfreq/devfreq.c:426)\n devfreq_monitor (drivers/devfreq/devfreq.c:458)\n process_one_work (arch/arm64/include/asm/jump_label.h:36 include/trace/events/workqueue.h:110 kernel/workqueue.c:3284)\n worker_thread (kernel/workqueue.c:3356 (discriminator 2) kernel/workqueue.c:3443 (discriminator 2))\n kthread (kernel/kthread.c:467)\n ret_from_fork (arch/arm64/kernel/entry.S:861)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"82cfe5292b11deb1dc33822f67f73cfbe8eafe25","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"547ae2f17349c7586953af5ef50de43ef3f65e9e","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"aed53da569fb96eec09b4817b1953bcc2e467eea","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"8aa972eba1f29068d13bec716d33abca30fb3f2a","versionType":"git"},{"version":"55213e1acec9218580c90d36034aa0370a51daab","status":"affected","lessThan":"2583cb925ca1ce450aa5d74a05a67448db970193","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/qcom/clk-rcg2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/qcom/clk-rcg2.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/82cfe5292b11deb1dc33822f67f73cfbe8eafe25"},{"url":"https://git.kernel.org/stable/c/547ae2f17349c7586953af5ef50de43ef3f65e9e"},{"url":"https://git.kernel.org/stable/c/56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8"},{"url":"https://git.kernel.org/stable/c/aed53da569fb96eec09b4817b1953bcc2e467eea"},{"url":"https://git.kernel.org/stable/c/8aa972eba1f29068d13bec716d33abca30fb3f2a"},{"url":"https://git.kernel.org/stable/c/2583cb925ca1ce450aa5d74a05a67448db970193"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-03T15:49:42.833Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}