{"id":"CVE-2024-26784","state":"PUBLISHED","title":"pmdomain: arm: Fix NULL dereference on scmi_perf_domain removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: arm: Fix NULL dereference on scmi_perf_domain removal\n\nOn unloading of the scmi_perf_domain module got the below splat, when in\nthe DT provided to the system under test the '#power-domain-cells' property\nwas missing. Indeed, this particular setup causes the probe to bail out\nearly without giving any error, which leads to the ->remove() callback gets\nto run too, but without all the expected initialized structures in place.\n\nAdd a check and bail out early on remove too.\n\n Call trace:\n  scmi_perf_domain_remove+0x28/0x70 [scmi_perf_domain]\n  scmi_dev_remove+0x28/0x40 [scmi_core]\n  device_remove+0x54/0x90\n  device_release_driver_internal+0x1dc/0x240\n  driver_detach+0x58/0xa8\n  bus_remove_driver+0x78/0x108\n  driver_unregister+0x38/0x70\n  scmi_driver_unregister+0x28/0x180 [scmi_core]\n  scmi_perf_domain_driver_exit+0x18/0xb78 [scmi_perf_domain]\n  __arm64_sys_delete_module+0x1a8/0x2c0\n  invoke_syscall+0x50/0x128\n  el0_svc_common.constprop.0+0x48/0xf0\n  do_el0_svc+0x24/0x38\n  el0_svc+0x34/0xb8\n  el0t_64_sync_handler+0x100/0x130\n  el0t_64_sync+0x190/0x198\n Code: a90153f3 f9403c14 f9414800 955f8a05 (b9400a80)\n ---[ end trace 0000000000000000 ]---","publishedAt":"2024-04-04T08:20:17.836Z","updatedAt":"2026-05-11T20:04:07.245Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2af23ceb8624a419eaf40295c11fcb86ec9ee303","status":"affected","lessThan":"f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d","versionType":"git"},{"version":"2af23ceb8624a419eaf40295c11fcb86ec9ee303","status":"affected","lessThan":"eb5555d422d0fc325e1574a7353d3c616f82d8b5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pmdomain/arm/scmi_perf_domain.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.7.9","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pmdomain/arm/scmi_perf_domain.c"]}],"references":["https://git.kernel.org/stable/c/f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d","https://git.kernel.org/stable/c/eb5555d422d0fc325e1574a7353d3c616f82d8b5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26784.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26784","state":"PUBLISHED","datePublished":"2024-04-04T08:20:17.836Z","dateUpdated":"2026-05-11T20:04:07.245Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.177Z"},"containers":{"cna":{"title":"pmdomain: arm: Fix NULL dereference on scmi_perf_domain removal","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: arm: Fix NULL dereference on scmi_perf_domain removal\n\nOn unloading of the scmi_perf_domain module got the below splat, when in\nthe DT provided to the system under test the '#power-domain-cells' property\nwas missing. Indeed, this particular setup causes the probe to bail out\nearly without giving any error, which leads to the ->remove() callback gets\nto run too, but without all the expected initialized structures in place.\n\nAdd a check and bail out early on remove too.\n\n Call trace:\n  scmi_perf_domain_remove+0x28/0x70 [scmi_perf_domain]\n  scmi_dev_remove+0x28/0x40 [scmi_core]\n  device_remove+0x54/0x90\n  device_release_driver_internal+0x1dc/0x240\n  driver_detach+0x58/0xa8\n  bus_remove_driver+0x78/0x108\n  driver_unregister+0x38/0x70\n  scmi_driver_unregister+0x28/0x180 [scmi_core]\n  scmi_perf_domain_driver_exit+0x18/0xb78 [scmi_perf_domain]\n  __arm64_sys_delete_module+0x1a8/0x2c0\n  invoke_syscall+0x50/0x128\n  el0_svc_common.constprop.0+0x48/0xf0\n  do_el0_svc+0x24/0x38\n  el0_svc+0x34/0xb8\n  el0t_64_sync_handler+0x100/0x130\n  el0t_64_sync+0x190/0x198\n Code: a90153f3 f9403c14 f9414800 955f8a05 (b9400a80)\n ---[ end trace 0000000000000000 ]---"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2af23ceb8624a419eaf40295c11fcb86ec9ee303","status":"affected","lessThan":"f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d","versionType":"git"},{"version":"2af23ceb8624a419eaf40295c11fcb86ec9ee303","status":"affected","lessThan":"eb5555d422d0fc325e1574a7353d3c616f82d8b5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pmdomain/arm/scmi_perf_domain.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.7.9","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pmdomain/arm/scmi_perf_domain.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d"},{"url":"https://git.kernel.org/stable/c/eb5555d422d0fc325e1574a7353d3c616f82d8b5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:04:07.245Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.7.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-17T19:27:05.325313Z","id":"CVE-2024-26784","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-17T19:27:12.883Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/f6aaf131e4d4a9a26040ecc018eb70ab8b3d355d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/eb5555d422d0fc325e1574a7353d3c616f82d8b5","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:14:13.469Z"}}]}}}