{"api_version":"1","generated_at":"2026-08-28T09:31:16+00:00","cve":"CVE-2026-80655","urls":{"html":"https://cve.report/CVE-2026-80655","api":"https://cve.report/api/cve/CVE-2026-80655.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80655","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80655"},"summary":{"title":"soc: xilinx: Fix race condition in event registration","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: Fix race condition in event registration\n\nThe zynqmp_power driver registers handlers for suspend and subsystem\nrestart events using register_event(). However, the work structures\n(zynqmp_pm_init_suspend_work and zynqmp_pm_init_restart_work) used by\nthese handlers were allocated and initialized after the registration\ncall.\n\nThis created a race window where, if the firmware triggered an event\nimmediately after registration but before allocation, the callback\n(suspend_event_callback or subsystem_restart_event_callback) would\ndereference a NULL pointer in work_pending(), leading to a crash.\n\nFix this by allocating and initializing the work structures before\nregistering the events.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:50","updated_at":"2026-08-28 08:16:50"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d349aa118ff5e4cab88424ce1b16e08edd70f8bb","name":"https://git.kernel.org/stable/c/d349aa118ff5e4cab88424ce1b16e08edd70f8bb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fb445935338405110baca8f541a2df3b4cb8d712","name":"https://git.kernel.org/stable/c/fb445935338405110baca8f541a2df3b4cb8d712","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80655","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80655","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fcf544ac64397776a18246eba5a8ca72a47c4405 d349aa118ff5e4cab88424ce1b16e08edd70f8bb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fcf544ac64397776a18246eba5a8ca72a47c4405 fb445935338405110baca8f541a2df3b4cb8d712 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * 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/soc/xilinx/zynqmp_power.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d349aa118ff5e4cab88424ce1b16e08edd70f8bb","status":"affected","version":"fcf544ac64397776a18246eba5a8ca72a47c4405","versionType":"git"},{"lessThan":"fb445935338405110baca8f541a2df3b4cb8d712","status":"affected","version":"fcf544ac64397776a18246eba5a8ca72a47c4405","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/soc/xilinx/zynqmp_power.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: Fix race condition in event registration\n\nThe zynqmp_power driver registers handlers for suspend and subsystem\nrestart events using register_event(). However, the work structures\n(zynqmp_pm_init_suspend_work and zynqmp_pm_init_restart_work) used by\nthese handlers were allocated and initialized after the registration\ncall.\n\nThis created a race window where, if the firmware triggered an event\nimmediately after registration but before allocation, the callback\n(suspend_event_callback or subsystem_restart_event_callback) would\ndereference a NULL pointer in work_pending(), leading to a crash.\n\nFix this by allocating and initializing the work structures before\nregistering the events."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:49:01.988Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d349aa118ff5e4cab88424ce1b16e08edd70f8bb"},{"url":"https://git.kernel.org/stable/c/fb445935338405110baca8f541a2df3b4cb8d712"}],"title":"soc: xilinx: Fix race condition in event registration","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80655","datePublished":"2026-08-28T06:49:01.988Z","dateReserved":"2026-08-26T14:34:25.780Z","dateUpdated":"2026-08-28T06:49:01.988Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:50","lastModifiedDate":"2026-08-28 08:16:50","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80655","Ordinal":"1","Title":"soc: xilinx: Fix race condition in event registration","CVE":"CVE-2026-80655","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80655","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: Fix race condition in event registration\n\nThe zynqmp_power driver registers handlers for suspend and subsystem\nrestart events using register_event(). However, the work structures\n(zynqmp_pm_init_suspend_work and zynqmp_pm_init_restart_work) used by\nthese handlers were allocated and initialized after the registration\ncall.\n\nThis created a race window where, if the firmware triggered an event\nimmediately after registration but before allocation, the callback\n(suspend_event_callback or subsystem_restart_event_callback) would\ndereference a NULL pointer in work_pending(), leading to a crash.\n\nFix this by allocating and initializing the work structures before\nregistering the events.","Type":"Description","Title":"soc: xilinx: Fix race condition in event registration"}]}}}