{"api_version":"1","generated_at":"2026-09-21T11:38:34+00:00","cve":"CVE-2026-90208","urls":{"html":"https://cve.report/CVE-2026-90208","api":"https://cve.report/api/cve/CVE-2026-90208.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90208","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90208"},"summary":{"title":"clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nclocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type\n\nSamsung PWM timer might be used as a clock source on some legacy systems.\nWhen PREEMPT_RT is enabled on ARM, regular spinlock is converted to a\nsleeping lock (mutex-based), which must not be used in atomic context\nsuch as hard interrupt handlers. Switch the samsung_pwm_lock to the\nraw_spinlock, which remains a true non-sleeping spinlock even\nunder PREEMPT_RT.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:15","updated_at":"2026-09-17 17:17:15"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3b212f9d70805d91febae01d618868f4860e267c","name":"https://git.kernel.org/stable/c/3b212f9d70805d91febae01d618868f4860e267c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7eb5764d25c4ac7f5d126621660f7219b61fd2fd","name":"https://git.kernel.org/stable/c/7eb5764d25c4ac7f5d126621660f7219b61fd2fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90208","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90208","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f11899894c0a683c754ca71b45f7c9c3d35a3a1c 7eb5764d25c4ac7f5d126621660f7219b61fd2fd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f11899894c0a683c754ca71b45f7c9c3d35a3a1c 3b212f9d70805d91febae01d618868f4860e267c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.10 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/clocksource/samsung_pwm_timer.c","drivers/pwm/pwm-samsung.c","include/clocksource/samsung_pwm.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7eb5764d25c4ac7f5d126621660f7219b61fd2fd","status":"affected","version":"f11899894c0a683c754ca71b45f7c9c3d35a3a1c","versionType":"git"},{"lessThan":"3b212f9d70805d91febae01d618868f4860e267c","status":"affected","version":"f11899894c0a683c754ca71b45f7c9c3d35a3a1c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/clocksource/samsung_pwm_timer.c","drivers/pwm/pwm-samsung.c","include/clocksource/samsung_pwm.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.10"},{"lessThan":"3.10","status":"unaffected","version":"0","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":"7.2.6","versionStartIncluding":"3.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"3.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type\n\nSamsung PWM timer might be used as a clock source on some legacy systems.\nWhen PREEMPT_RT is enabled on ARM, regular spinlock is converted to a\nsleeping lock (mutex-based), which must not be used in atomic context\nsuch as hard interrupt handlers. Switch the samsung_pwm_lock to the\nraw_spinlock, which remains a true non-sleeping spinlock even\nunder PREEMPT_RT."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:07:23.479Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7eb5764d25c4ac7f5d126621660f7219b61fd2fd"},{"url":"https://git.kernel.org/stable/c/3b212f9d70805d91febae01d618868f4860e267c"}],"title":"clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90208","datePublished":"2026-09-17T16:07:23.479Z","dateReserved":"2026-09-11T19:38:34.793Z","dateUpdated":"2026-09-17T16:07:23.479Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:15","lastModifiedDate":"2026-09-17 17:17:15","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90208","Ordinal":"1","Title":"clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type","CVE":"CVE-2026-90208","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90208","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nclocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type\n\nSamsung PWM timer might be used as a clock source on some legacy systems.\nWhen PREEMPT_RT is enabled on ARM, regular spinlock is converted to a\nsleeping lock (mutex-based), which must not be used in atomic context\nsuch as hard interrupt handlers. Switch the samsung_pwm_lock to the\nraw_spinlock, which remains a true non-sleeping spinlock even\nunder PREEMPT_RT.","Type":"Description","Title":"clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type"}]}}}