CVE-2026-90208

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90208", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.793Z", "datePublished": "2026-09-17T16:07:23.479Z", "dateUpdated": "2026-10-30T12:34:47.590Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:34:47.590Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/clocksource/samsung_pwm_timer.c", "drivers/pwm/pwm-samsung.c", "include/clocksource/samsung_pwm.h"], "versions": [{"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "9c97311a5f5d388eece66fc415167b38f35fe6a1", "status": "affected", "versionType": "git"}, {"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "8f823b47eb889ea70f4c360164e96453f40e3646", "status": "affected", "versionType": "git"}, {"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "5720fe5cabda19f395d194ca57321c7b85f8af80", "status": "affected", "versionType": "git"}, {"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "a25ea67a913f98b8461aff1e9e3a5f6dc2378395", "status": "affected", "versionType": "git"}, {"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "7eb5764d25c4ac7f5d126621660f7219b61fd2fd", "status": "affected", "versionType": "git"}, {"version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "lessThan": "3b212f9d70805d91febae01d618868f4860e267c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/clocksource/samsung_pwm_timer.c", "drivers/pwm/pwm-samsung.c", "include/clocksource/samsung_pwm.h"], "versions": [{"version": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9c97311a5f5d388eece66fc415167b38f35fe6a1"}, {"url": "https://git.kernel.org/stable/c/8f823b47eb889ea70f4c360164e96453f40e3646"}, {"url": "https://git.kernel.org/stable/c/5720fe5cabda19f395d194ca57321c7b85f8af80"}, {"url": "https://git.kernel.org/stable/c/a25ea67a913f98b8461aff1e9e3a5f6dc2378395"}, {"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"}}}}

{}

{"affected": [{"affectedData": [{"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": "9c97311a5f5d388eece66fc415167b38f35fe6a1", "status": "affected", "version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "versionType": "git"}, {"lessThan": "8f823b47eb889ea70f4c360164e96453f40e3646", "status": "affected", "version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "versionType": "git"}, {"lessThan": "5720fe5cabda19f395d194ca57321c7b85f8af80", "status": "affected", "version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "versionType": "git"}, {"lessThan": "a25ea67a913f98b8461aff1e9e3a5f6dc2378395", "status": "affected", "version": "f11899894c0a683c754ca71b45f7c9c3d35a3a1c", "versionType": "git"}, {"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": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-90208", "lastModified": "2026-10-30T13:20:46.523", "metrics": {}, "published": "2026-09-17T17:17:15.950", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b212f9d70805d91febae01d618868f4860e267c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5720fe5cabda19f395d194ca57321c7b85f8af80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7eb5764d25c4ac7f5d126621660f7219b61fd2fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f823b47eb889ea70f4c360164e96453f40e3646"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c97311a5f5d388eece66fc415167b38f35fe6a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a25ea67a913f98b8461aff1e9e3a5f6dc2378395"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f11899894c0a683c754ca71b45f7c9c3d35a3a1c,7eb5764d25c4ac7f5d126621660f7219b61fd2fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f11899894c0a683c754ca71b45f7c9c3d35a3a1c,3b212f9d70805d91febae01d618868f4860e267c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-18T20:02:00.554965+00:00", "updated": "2026-09-19T03:30:18.171260+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-727"]}