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CVE-2026-46247 (GCVE-0-2026-46247)

Vulnerability from cvelistv5 – Published: 2026-06-03 15:49 – Updated: 2026-06-03 15:49
VLAI
Title
clk: qcom: gfx3d: add parent to parent request map
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gfx3d: add parent to parent request map After commit d228ece36345 ("clk: divider: remove round_rate() in favor of determine_rate()") determining GFX3D clock rate crashes, because the passed parent map doesn't provide the expected best_parent_hw clock (with the roundd_rate path before the offending commit the best_parent_hw was ignored). Set the field in parent_req in addition to setting it in the req, fixing the crash. clk_hw_round_rate (drivers/clk/clk.c:1764) (P) clk_divider_bestdiv (drivers/clk/clk-divider.c:336) divider_determine_rate (drivers/clk/clk-divider.c:358) clk_alpha_pll_postdiv_determine_rate (drivers/clk/qcom/clk-alpha-pll.c:1275) clk_core_determine_round_nolock (drivers/clk/clk.c:1606) clk_core_round_rate_nolock (drivers/clk/clk.c:1701) __clk_determine_rate (drivers/clk/clk.c:1741) clk_gfx3d_determine_rate (drivers/clk/qcom/clk-rcg2.c:1268) clk_core_determine_round_nolock (drivers/clk/clk.c:1606) clk_core_round_rate_nolock (drivers/clk/clk.c:1701) clk_core_round_rate_nolock (drivers/clk/clk.c:1710) clk_round_rate (drivers/clk/clk.c:1804) dev_pm_opp_set_rate (drivers/opp/core.c:1440 (discriminator 1)) msm_devfreq_target (drivers/gpu/drm/msm/msm_gpu_devfreq.c:51) devfreq_set_target (drivers/devfreq/devfreq.c:360) devfreq_update_target (drivers/devfreq/devfreq.c:426) devfreq_monitor (drivers/devfreq/devfreq.c:458) process_one_work (arch/arm64/include/asm/jump_label.h:36 include/trace/events/workqueue.h:110 kernel/workqueue.c:3284) worker_thread (kernel/workqueue.c:3356 (discriminator 2) kernel/workqueue.c:3443 (discriminator 2)) kthread (kernel/kthread.c:467) ret_from_fork (arch/arm64/kernel/entry.S:861)
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 55213e1acec9218580c90d36034aa0370a51daab , < 82cfe5292b11deb1dc33822f67f73cfbe8eafe25 (git)
Affected: 55213e1acec9218580c90d36034aa0370a51daab , < 547ae2f17349c7586953af5ef50de43ef3f65e9e (git)
Affected: 55213e1acec9218580c90d36034aa0370a51daab , < 56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8 (git)
Affected: 55213e1acec9218580c90d36034aa0370a51daab , < aed53da569fb96eec09b4817b1953bcc2e467eea (git)
Affected: 55213e1acec9218580c90d36034aa0370a51daab , < 8aa972eba1f29068d13bec716d33abca30fb3f2a (git)
Affected: 55213e1acec9218580c90d36034aa0370a51daab , < 2583cb925ca1ce450aa5d74a05a67448db970193 (git)
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Linux Linux Affected: 4.5
Unaffected: 0 , < 4.5 (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.14 , ≤ 6.18.* (semver)
Unaffected: 6.19.4 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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          "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\u0027t 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)"
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    "datePublished": "2026-06-03T15:49:42.833Z",
    "dateReserved": "2026-05-13T15:03:33.107Z",
    "dateUpdated": "2026-06-03T15:49:42.833Z",
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      "date": "2026-09-16",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46247\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-06-03T18:16:24.930\",\"lastModified\":\"2026-07-22T20:10:00.127\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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\u0027t 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)\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad se ha resuelto:\\n\\nclk: qcom: gfx3d: a\u00f1adir padre al mapa de solicitud de padre\\n\\nDespu\u00e9s del commit d228ece36345 (\u0027clk: divider: eliminar round_rate() en favor\\nde determine_rate()\u0027) la determinaci\u00f3n de la frecuencia del reloj GFX3D falla, porque el\\nmapa de padre pasado no proporciona el reloj best_parent_hw esperado\\n(con la ruta roundd_rate antes del commit problem\u00e1tico, el\\nbest_parent_hw era ignorado).\\n\\nEstablecer el campo en parent_req adem\u00e1s de establecerlo en req,\\nsolucionando la falla.\\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\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/clk/qcom/clk-rcg2.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"82cfe5292b11deb1dc33822f67f73cfbe8eafe25\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"547ae2f17349c7586953af5ef50de43ef3f65e9e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"aed53da569fb96eec09b4817b1953bcc2e467eea\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"8aa972eba1f29068d13bec716d33abca30fb3f2a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"55213e1acec9218580c90d36034aa0370a51daab\",\"lessThan\":\"2583cb925ca1ce450aa5d74a05a67448db970193\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/clk/qcom/clk-rcg2.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.5\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.5\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.165\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.128\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.75\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.14\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19.4\",\"lessThanOrEqual\":\"6.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"6.1.165\",\"matchCriteriaId\":\"5802095B-D018-4A9C-884E-A419F6559F06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.128\",\"matchCriteriaId\":\"851E9353-6C09-4CC9-877E-E09DB164A3C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.75\",\"matchCriteriaId\":\"BCE16369-98ED-41CF-8995-DFDC10B288D2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.14\",\"matchCriteriaId\":\"BF463CB7-1F58-4607-B847-77ED23E4B9B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"6.19.4\",\"matchCriteriaId\":\"672A3E79-EC03-479D-8503-361DFBDC8092\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2583cb925ca1ce450aa5d74a05a67448db970193\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/547ae2f17349c7586953af5ef50de43ef3f65e9e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/56360aa4ddd736fc19e6d0b0206c5e437e0d6ff8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/82cfe5292b11deb1dc33822f67f73cfbe8eafe25\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8aa972eba1f29068d13bec716d33abca30fb3f2a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/aed53da569fb96eec09b4817b1953bcc2e467eea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T11:39:22+00:00",
      "cve": "CVE-2026-46247",
      "id": "CVE-2026-46247",
      "initial_release_date": "2026-06-03T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: clk: qcom: gfx3d: add parent to parent request map",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46247.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T01:10:40Z",
      "cve": "CVE-2026-46247",
      "id": "CVE-2026-46247",
      "initial_release_date": "2026-06-04T02:21:58Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "697",
      "product_status:known_not_affected": "23",
      "product_status:recommended": "250",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-46247",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46247.json",
      "version": "10"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.