{"id":"CVE-2026-43275","state":"PUBLISHED","title":"scsi: ufs: core: Flush exception handling work when RPM level is zero","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Flush exception handling work when RPM level is zero\n\nEnsure that the exception event handling work is explicitly flushed during\nsuspend when the runtime power management level is set to UFS_PM_LVL_0.\n\nWhen the RPM level is zero, the device power mode and link state both\nremain active. Previously, the UFS core driver bypassed flushing exception\nevent handling jobs in this configuration. This created a race condition\nwhere the driver could attempt to access the host controller to handle an\nexception after the system had already entered a deep power-down state,\nresulting in a system crash.\n\nExplicitly flush this work and disable auto BKOPs before the suspend\ncallback proceeds. This guarantees that pending exception tasks complete\nand prevents illegal hardware access during the power-down sequence.","publishedAt":"2026-05-06T11:28:58.174Z","updatedAt":"2026-05-11T22:21:24.558Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"d5c3a1a13f97355c397f9439d79cb04b182958a3","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"5d186731bc335cc049d4e57ab9f563cfab95593e","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"aa8d68d97c7f0ef966e51afc17fdbdc372700edf","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"aac2fee7513dd25042a616f86a1469b4858d2c5c","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"78d8e2d6352e8317686ee3a44811ac14c415a57d","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"ab71c146c135f9af1614ef0fc29a0a3b84f1a373","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"f8ef441811ec413717f188f63d99182f30f0f08e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","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/ufs/core/ufshcd.c"]}],"references":["https://git.kernel.org/stable/c/d5c3a1a13f97355c397f9439d79cb04b182958a3","https://git.kernel.org/stable/c/5d186731bc335cc049d4e57ab9f563cfab95593e","https://git.kernel.org/stable/c/aa8d68d97c7f0ef966e51afc17fdbdc372700edf","https://git.kernel.org/stable/c/aac2fee7513dd25042a616f86a1469b4858d2c5c","https://git.kernel.org/stable/c/78d8e2d6352e8317686ee3a44811ac14c415a57d","https://git.kernel.org/stable/c/ab71c146c135f9af1614ef0fc29a0a3b84f1a373","https://git.kernel.org/stable/c/f8ef441811ec413717f188f63d99182f30f0f08e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43275.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43275","state":"PUBLISHED","datePublished":"2026-05-06T11:28:58.174Z","dateUpdated":"2026-05-11T22:21:24.558Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.998Z"},"containers":{"cna":{"title":"scsi: ufs: core: Flush exception handling work when RPM level is zero","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Flush exception handling work when RPM level is zero\n\nEnsure that the exception event handling work is explicitly flushed during\nsuspend when the runtime power management level is set to UFS_PM_LVL_0.\n\nWhen the RPM level is zero, the device power mode and link state both\nremain active. Previously, the UFS core driver bypassed flushing exception\nevent handling jobs in this configuration. This created a race condition\nwhere the driver could attempt to access the host controller to handle an\nexception after the system had already entered a deep power-down state,\nresulting in a system crash.\n\nExplicitly flush this work and disable auto BKOPs before the suspend\ncallback proceeds. This guarantees that pending exception tasks complete\nand prevents illegal hardware access during the power-down sequence."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"d5c3a1a13f97355c397f9439d79cb04b182958a3","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"5d186731bc335cc049d4e57ab9f563cfab95593e","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"aa8d68d97c7f0ef966e51afc17fdbdc372700edf","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"aac2fee7513dd25042a616f86a1469b4858d2c5c","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"78d8e2d6352e8317686ee3a44811ac14c415a57d","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"ab71c146c135f9af1614ef0fc29a0a3b84f1a373","versionType":"git"},{"version":"57d104c153d3d6d7bea60089e80f37501851ed2c","status":"affected","lessThan":"f8ef441811ec413717f188f63d99182f30f0f08e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","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/ufs/core/ufshcd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d5c3a1a13f97355c397f9439d79cb04b182958a3"},{"url":"https://git.kernel.org/stable/c/5d186731bc335cc049d4e57ab9f563cfab95593e"},{"url":"https://git.kernel.org/stable/c/aa8d68d97c7f0ef966e51afc17fdbdc372700edf"},{"url":"https://git.kernel.org/stable/c/aac2fee7513dd25042a616f86a1469b4858d2c5c"},{"url":"https://git.kernel.org/stable/c/78d8e2d6352e8317686ee3a44811ac14c415a57d"},{"url":"https://git.kernel.org/stable/c/ab71c146c135f9af1614ef0fc29a0a3b84f1a373"},{"url":"https://git.kernel.org/stable/c/f8ef441811ec413717f188f63d99182f30f0f08e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:21:24.558Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}