{"id":"CVE-2023-53656","state":"PUBLISHED","title":"drivers/perf: hisi: Don't migrate perf to the CPU going to teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/perf: hisi: Don't migrate perf to the CPU going to teardown\n\nThe driver needs to migrate the perf context if the current using CPU going\nto teardown. By the time calling the cpuhp::teardown() callback the\ncpu_online_mask() hasn't updated yet and still includes the CPU going to\nteardown. In current driver's implementation we may migrate the context\nto the teardown CPU and leads to the below calltrace:\n\n...\n[  368.104662][  T932] task:cpuhp/0         state:D stack:    0 pid:   15 ppid:     2 flags:0x00000008\n[  368.113699][  T932] Call trace:\n[  368.116834][  T932]  __switch_to+0x7c/0xbc\n[  368.120924][  T932]  __schedule+0x338/0x6f0\n[  368.125098][  T932]  schedule+0x50/0xe0\n[  368.128926][  T932]  schedule_preempt_disabled+0x18/0x24\n[  368.134229][  T932]  __mutex_lock.constprop.0+0x1d4/0x5dc\n[  368.139617][  T932]  __mutex_lock_slowpath+0x1c/0x30\n[  368.144573][  T932]  mutex_lock+0x50/0x60\n[  368.148579][  T932]  perf_pmu_migrate_context+0x84/0x2b0\n[  368.153884][  T932]  hisi_pcie_pmu_offline_cpu+0x90/0xe0 [hisi_pcie_pmu]\n[  368.160579][  T932]  cpuhp_invoke_callback+0x2a0/0x650\n[  368.165707][  T932]  cpuhp_thread_fun+0xe4/0x190\n[  368.170316][  T932]  smpboot_thread_fn+0x15c/0x1a0\n[  368.175099][  T932]  kthread+0x108/0x13c\n[  368.179012][  T932]  ret_from_fork+0x10/0x18\n...\n\nUse function cpumask_any_but() to find one correct active cpu to fixes\nthis issue.","publishedAt":"2025-10-07T15:21:17.572Z","updatedAt":"2026-05-11T19:49:22.525Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"be9c8c9c84b6d25a7b7d39954030aba6f759feb6","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"f564e543a43d0f1cabac791672c8a6fc78ce12d0","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"b64569897d86b611befbb895d815280fea94e1ed","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/perf/hisilicon/hisi_pcie_pmu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/perf/hisilicon/hisi_pcie_pmu.c"]}],"references":["https://git.kernel.org/stable/c/be9c8c9c84b6d25a7b7d39954030aba6f759feb6","https://git.kernel.org/stable/c/f564e543a43d0f1cabac791672c8a6fc78ce12d0","https://git.kernel.org/stable/c/b64569897d86b611befbb895d815280fea94e1ed","https://git.kernel.org/stable/c/7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53656.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53656","state":"PUBLISHED","datePublished":"2025-10-07T15:21:17.572Z","dateUpdated":"2026-05-11T19:49:22.525Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:16:59.661Z"},"containers":{"cna":{"title":"drivers/perf: hisi: Don't migrate perf to the CPU going to teardown","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/perf: hisi: Don't migrate perf to the CPU going to teardown\n\nThe driver needs to migrate the perf context if the current using CPU going\nto teardown. By the time calling the cpuhp::teardown() callback the\ncpu_online_mask() hasn't updated yet and still includes the CPU going to\nteardown. In current driver's implementation we may migrate the context\nto the teardown CPU and leads to the below calltrace:\n\n...\n[  368.104662][  T932] task:cpuhp/0         state:D stack:    0 pid:   15 ppid:     2 flags:0x00000008\n[  368.113699][  T932] Call trace:\n[  368.116834][  T932]  __switch_to+0x7c/0xbc\n[  368.120924][  T932]  __schedule+0x338/0x6f0\n[  368.125098][  T932]  schedule+0x50/0xe0\n[  368.128926][  T932]  schedule_preempt_disabled+0x18/0x24\n[  368.134229][  T932]  __mutex_lock.constprop.0+0x1d4/0x5dc\n[  368.139617][  T932]  __mutex_lock_slowpath+0x1c/0x30\n[  368.144573][  T932]  mutex_lock+0x50/0x60\n[  368.148579][  T932]  perf_pmu_migrate_context+0x84/0x2b0\n[  368.153884][  T932]  hisi_pcie_pmu_offline_cpu+0x90/0xe0 [hisi_pcie_pmu]\n[  368.160579][  T932]  cpuhp_invoke_callback+0x2a0/0x650\n[  368.165707][  T932]  cpuhp_thread_fun+0xe4/0x190\n[  368.170316][  T932]  smpboot_thread_fn+0x15c/0x1a0\n[  368.175099][  T932]  kthread+0x108/0x13c\n[  368.179012][  T932]  ret_from_fork+0x10/0x18\n...\n\nUse function cpumask_any_but() to find one correct active cpu to fixes\nthis issue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"be9c8c9c84b6d25a7b7d39954030aba6f759feb6","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"f564e543a43d0f1cabac791672c8a6fc78ce12d0","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"b64569897d86b611befbb895d815280fea94e1ed","versionType":"git"},{"version":"8404b0fbc7fbd42e5c5d28cdedd450e70829c77a","status":"affected","lessThan":"7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/perf/hisilicon/hisi_pcie_pmu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/perf/hisilicon/hisi_pcie_pmu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/be9c8c9c84b6d25a7b7d39954030aba6f759feb6"},{"url":"https://git.kernel.org/stable/c/f564e543a43d0f1cabac791672c8a6fc78ce12d0"},{"url":"https://git.kernel.org/stable/c/b64569897d86b611befbb895d815280fea94e1ed"},{"url":"https://git.kernel.org/stable/c/7a6a9f1c5a0a875a421db798d4b2ee022dc1ee1a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:49:22.525Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.3.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.4.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}