{"api_version":"1","generated_at":"2026-07-23T15:34:09+00:00","cve":"CVE-2024-26894","urls":{"html":"https://cve.report/CVE-2024-26894","api":"https://cve.report/api/cve/CVE-2024-26894.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-26894","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-26894"},"summary":{"title":"ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\n\nAfter unregistering the CPU idle device, the memory associated with\nit is not freed, leading to a memory leak:\n\nunreferenced object 0xffff896282f6c000 (size 1024):\n  comm \"swapper/0\", pid 1, jiffies 4294893170\n  hex dump (first 32 bytes):\n    00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 8836a742):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0\n    [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0\n    [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n    [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470\n    [<ffffffff99b231f6>] kernel_init+0x16/0x1b0\n    [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50\n\nFix this by freeing the CPU idle device after unregistering it.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-04-17 11:15:10","updated_at":"2026-05-12 13:16:15"},"problem_types":["CWE-770","CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"6","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"6","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","baseScore":6,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9","name":"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51","name":"https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","name":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e","name":"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc","name":"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d","name":"https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5","name":"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2","name":"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa","name":"https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8","name":"https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","name":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-26894","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26894","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea d351bcadab6caa6d8ce7159ff4b77e2da35c09fa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea ea96bf3f80625cddba1391a87613356b1b45716d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea 1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea 3d48e5be107429ff5d824e7f2a00d1b610d36fbc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea 8d14a4d0afb49a5b8535d414c782bb334860e73e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3d339dcbb56d8d70c1b959aff87d74adc3a84eea e18afcb7b2a12b635ac10081f943fcf84ddacc51 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.19.311 4.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.273 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.214 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.153 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.83 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.23 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7.11 6.7.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8.2 6.8.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.9 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","version":"affected * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2024","cve_id":"26894","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-02T00:21:05.515Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9"},{"tags":["x_transferred"],"url":"https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51"},{"tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2024-26894","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-02-06T16:56:24.973748Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-02-06T16:57:05.473Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"affected":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T12:14:19.822Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/acpi/processor_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d351bcadab6caa6d8ce7159ff4b77e2da35c09fa","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"ea96bf3f80625cddba1391a87613356b1b45716d","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"c2a30c81bf3cb9033fa9f5305baf7c377075e2e5","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"3d48e5be107429ff5d824e7f2a00d1b610d36fbc","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"8d14a4d0afb49a5b8535d414c782bb334860e73e","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"},{"lessThan":"e18afcb7b2a12b635ac10081f943fcf84ddacc51","status":"affected","version":"3d339dcbb56d8d70c1b959aff87d74adc3a84eea","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/acpi/processor_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.7"},{"lessThan":"3.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.311","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.273","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.214","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.153","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.83","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.23","versionType":"semver"},{"lessThanOrEqual":"6.7.*","status":"unaffected","version":"6.7.11","versionType":"semver"},{"lessThanOrEqual":"6.8.*","status":"unaffected","version":"6.8.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.9","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.19.311","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.273","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.214","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.153","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.83","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.23","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.7.11","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.8.2","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.9","versionStartIncluding":"3.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\n\nAfter unregistering the CPU idle device, the memory associated with\nit is not freed, leading to a memory leak:\n\nunreferenced object 0xffff896282f6c000 (size 1024):\n  comm \"swapper/0\", pid 1, jiffies 4294893170\n  hex dump (first 32 bytes):\n    00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 8836a742):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0\n    [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0\n    [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n    [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470\n    [<ffffffff99b231f6>] kernel_init+0x16/0x1b0\n    [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50\n\nFix this by freeing the CPU idle device after unregistering it."}],"providerMetadata":{"dateUpdated":"2026-05-11T20:06:28.578Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa"},{"url":"https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d"},{"url":"https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5"},{"url":"https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2"},{"url":"https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8"},{"url":"https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc"},{"url":"https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e"},{"url":"https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9"},{"url":"https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51"}],"title":"ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-26894","datePublished":"2024-04-17T10:27:45.960Z","dateReserved":"2024-02-19T14:20:24.186Z","dateUpdated":"2026-05-12T12:14:19.822Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-04-17 11:15:10","lastModifiedDate":"2026-05-12 13:16:15","problem_types":["CWE-770","CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H","baseScore":6,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":5.2}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"4.19.311","matchCriteriaId":"C15CF0C6-B6A3-4B4F-BBFD-31316634E47F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.273","matchCriteriaId":"620FD8B7-BF03-43E0-951A-0A58461D4C55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.214","matchCriteriaId":"65987874-467B-4D3B-91D6-68A129B34FB8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.153","matchCriteriaId":"ACB69438-845D-4E3C-B114-3140611F9C0B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.83","matchCriteriaId":"121A07F6-F505-4C47-86BF-9BB6CC7B6C19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.23","matchCriteriaId":"E00814DC-0BA7-431A-9926-80FEB4A96C68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.7.11","matchCriteriaId":"9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.8.2","matchCriteriaId":"543A75FF-25B8-4046-A514-1EA8EDD87AB1"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"26894","Ordinal":"1","Title":"ACPI: processor_idle: Fix memory leak in acpi_processor_power_ex","CVE":"CVE-2024-26894","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"26894","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\n\nAfter unregistering the CPU idle device, the memory associated with\nit is not freed, leading to a memory leak:\n\nunreferenced object 0xffff896282f6c000 (size 1024):\n  comm \"swapper/0\", pid 1, jiffies 4294893170\n  hex dump (first 32 bytes):\n    00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 8836a742):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0\n    [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0\n    [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n    [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470\n    [<ffffffff99b231f6>] kernel_init+0x16/0x1b0\n    [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50\n\nFix this by freeing the CPU idle device after unregistering it.","Type":"Description","Title":"ACPI: processor_idle: Fix memory leak in acpi_processor_power_ex"}]}}}