{"id":"DEBIAN-CVE-2024-26894","details":"In the Linux kernel, the following vulnerability has been resolved:  ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()  After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak:  unreferenced object 0xffff896282f6c000 (size 1024):   comm \"swapper/0\", pid 1, jiffies 4294893170   hex dump (first 32 bytes):     00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................   backtrace (crc 8836a742):     [\u003cffffffff993495ed\u003e] kmalloc_trace+0x29d/0x340     [\u003cffffffff9972f3b3\u003e] acpi_processor_power_init+0xf3/0x1c0     [\u003cffffffff9972d263\u003e] __acpi_processor_start+0xd3/0xf0     [\u003cffffffff9972d2bc\u003e] acpi_processor_start+0x2c/0x50     [\u003cffffffff99805872\u003e] really_probe+0xe2/0x480     [\u003cffffffff99805c98\u003e] __driver_probe_device+0x78/0x160     [\u003cffffffff99805daf\u003e] driver_probe_device+0x1f/0x90     [\u003cffffffff9980601e\u003e] __driver_attach+0xce/0x1c0     [\u003cffffffff99803170\u003e] bus_for_each_dev+0x70/0xc0     [\u003cffffffff99804822\u003e] bus_add_driver+0x112/0x210     [\u003cffffffff99807245\u003e] driver_register+0x55/0x100     [\u003cffffffff9aee4acb\u003e] acpi_processor_driver_init+0x3b/0xc0     [\u003cffffffff990012d1\u003e] do_one_initcall+0x41/0x300     [\u003cffffffff9ae7c4b0\u003e] kernel_init_freeable+0x320/0x470     [\u003cffffffff99b231f6\u003e] kernel_init+0x16/0x1b0     [\u003cffffffff99042e6d\u003e] ret_from_fork+0x2d/0x50  Fix this by freeing the CPU idle device after unregistering it.","modified":"2026-09-15T09:03:05.776064182Z","published":"2024-04-17T11:15:10.630Z","upstream":["CVE-2024-26894"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-26894"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.85-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26894.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26894.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26894.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H"}]}