{"api_version":"1","generated_at":"2026-09-18T01:06:17+00:00","cve":"CVE-2026-90296","urls":{"html":"https://cve.report/CVE-2026-90296","api":"https://cve.report/api/cve/CVE-2026-90296.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90296","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90296"},"summary":{"title":"cpufreq: imx6q: fix devres accumulation across driver rebind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: imx6q: fix devres accumulation across driver rebind\n\nimx6_soc_volt is allocated with devm_kcalloc(cpu_dev, ...), where cpu_dev\nis the CPU device from get_cpu_device(0). That device is never unbound, so\nits devres list is never released, and imx6q_cpufreq_remove() does not free\nthe array either. Every probe therefore adds an allocation that stays for\nthe lifetime of the system.\n\nAllocate against the platform device instead. Its devres is released when\nthe driver is unbound, which is exactly the lifetime the array wants:\nimx6q_set_target() reads it, and nothing may reach that after\ncpufreq_unregister_driver().\n\nThat makes the array actually go away on unbind, so also clear the\nfile-scope pointer in remove and on the failed-probe path, rather than\nleave it pointing at memory devres is about to release.\n\nTested by rebinding the driver on qemu's mcimx6ul-evk.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:26","updated_at":"2026-09-17 17:17:26"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/493c4d5982f037f288509a1cee352b8b9705fb38","name":"https://git.kernel.org/stable/c/493c4d5982f037f288509a1cee352b8b9705fb38","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d91f07381e2b70578ff92b83d9422ac31e7b9096","name":"https://git.kernel.org/stable/c/d91f07381e2b70578ff92b83d9422ac31e7b9096","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e2d2612e63e294ebcdec7c6f08a1a052b7dfdc59","name":"https://git.kernel.org/stable/c/e2d2612e63e294ebcdec7c6f08a1a052b7dfdc59","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/38d2c3c9238b9d499e1829a3b8e80c2f73c73b5c","name":"https://git.kernel.org/stable/c/38d2c3c9238b9d499e1829a3b8e80c2f73c73b5c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/22c23c72c3b21fa3ec3db5070dfc0582794e0ef9","name":"https://git.kernel.org/stable/c/22c23c72c3b21fa3ec3db5070dfc0582794e0ef9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/92e53a5274276a7b1ca815b9aacebea4fb7efe75","name":"https://git.kernel.org/stable/c/92e53a5274276a7b1ca815b9aacebea4fb7efe75","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0f77d1a0a25056146eea1f8619fa06ce287c91f7","name":"https://git.kernel.org/stable/c/0f77d1a0a25056146eea1f8619fa06ce287c91f7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9e314b3ecd2594958d4f4999313641290ad28ebe","name":"https://git.kernel.org/stable/c/9e314b3ecd2594958d4f4999313641290ad28ebe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90296","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90296","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b4573d1d657aae28bedf3a9a1f5367e09c80d1d6 493c4d5982f037f288509a1cee352b8b9705fb38 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b4573d1d657aae28bedf3a9a1f5367e09c80d1d6 d91f07381e2b70578ff92b83d9422ac31e7b9096 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b4573d1d657aae28bedf3a9a1f5367e09c80d1d6 38d2c3c9238b9d499e1829a3b8e80c2f73c73b5c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b4573d1d657aae28bedf3a9a1f5367e09c80d1d6 92e53a5274276a7b1ca815b9aacebea4fb7efe75 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cpufreq/imx6q-cpufreq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"493c4d5982f037f288509a1cee352b8b9705fb38","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"d91f07381e2b70578ff92b83d9422ac31e7b9096","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"38d2c3c9238b9d499e1829a3b8e80c2f73c73b5c","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"92e53a5274276a7b1ca815b9aacebea4fb7efe75","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"9e314b3ecd2594958d4f4999313641290ad28ebe","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"e2d2612e63e294ebcdec7c6f08a1a052b7dfdc59","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"0f77d1a0a25056146eea1f8619fa06ce287c91f7","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"},{"lessThan":"22c23c72c3b21fa3ec3db5070dfc0582794e0ef9","status":"affected","version":"b4573d1d657aae28bedf3a9a1f5367e09c80d1d6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cpufreq/imx6q-cpufreq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.14"},{"lessThan":"3.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"3.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: imx6q: fix devres accumulation across driver rebind\n\nimx6_soc_volt is allocated with devm_kcalloc(cpu_dev, ...), where cpu_dev\nis the CPU device from get_cpu_device(0). That device is never unbound, so\nits devres list is never released, and imx6q_cpufreq_remove() does not free\nthe array either. Every probe therefore adds an allocation that stays for\nthe lifetime of the system.\n\nAllocate against the platform device instead. Its devres is released when\nthe driver is unbound, which is exactly the lifetime the array wants:\nimx6q_set_target() reads it, and nothing may reach that after\ncpufreq_unregister_driver().\n\nThat makes the array actually go away on unbind, so also clear the\nfile-scope pointer in remove and on the failed-probe path, rather than\nleave it pointing at memory devres is about to release.\n\nTested by rebinding the driver on qemu's mcimx6ul-evk."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:08:21.951Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/493c4d5982f037f288509a1cee352b8b9705fb38"},{"url":"https://git.kernel.org/stable/c/d91f07381e2b70578ff92b83d9422ac31e7b9096"},{"url":"https://git.kernel.org/stable/c/38d2c3c9238b9d499e1829a3b8e80c2f73c73b5c"},{"url":"https://git.kernel.org/stable/c/92e53a5274276a7b1ca815b9aacebea4fb7efe75"},{"url":"https://git.kernel.org/stable/c/9e314b3ecd2594958d4f4999313641290ad28ebe"},{"url":"https://git.kernel.org/stable/c/e2d2612e63e294ebcdec7c6f08a1a052b7dfdc59"},{"url":"https://git.kernel.org/stable/c/0f77d1a0a25056146eea1f8619fa06ce287c91f7"},{"url":"https://git.kernel.org/stable/c/22c23c72c3b21fa3ec3db5070dfc0582794e0ef9"}],"title":"cpufreq: imx6q: fix devres accumulation across driver rebind","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90296","datePublished":"2026-09-17T16:08:21.951Z","dateReserved":"2026-09-11T19:38:34.799Z","dateUpdated":"2026-09-17T16:08:21.951Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:26","lastModifiedDate":"2026-09-17 17:17:26","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90296","Ordinal":"1","Title":"cpufreq: imx6q: fix devres accumulation across driver rebind","CVE":"CVE-2026-90296","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90296","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: imx6q: fix devres accumulation across driver rebind\n\nimx6_soc_volt is allocated with devm_kcalloc(cpu_dev, ...), where cpu_dev\nis the CPU device from get_cpu_device(0). That device is never unbound, so\nits devres list is never released, and imx6q_cpufreq_remove() does not free\nthe array either. Every probe therefore adds an allocation that stays for\nthe lifetime of the system.\n\nAllocate against the platform device instead. Its devres is released when\nthe driver is unbound, which is exactly the lifetime the array wants:\nimx6q_set_target() reads it, and nothing may reach that after\ncpufreq_unregister_driver().\n\nThat makes the array actually go away on unbind, so also clear the\nfile-scope pointer in remove and on the failed-probe path, rather than\nleave it pointing at memory devres is about to release.\n\nTested by rebinding the driver on qemu's mcimx6ul-evk.","Type":"Description","Title":"cpufreq: imx6q: fix devres accumulation across driver rebind"}]}}}