{"cve":"CVE-2022-49265","nvd":{"published":"2025-02-26T07:01:03.437","modified":"2026-06-17T05:17:32.797","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM: domains: Fix sleep-in-atomic bug caused by genpd_debug_remove()\n\nWhen a genpd with GENPD_FLAG_IRQ_SAFE gets removed, the following\nsleep-in-atomic bug will be seen, as genpd_debug_remove() will be called\nwith a spinlock being held.\n\n[    0.029183] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1460\n[    0.029204] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 1, name: swapper/0\n[    0.029219] preempt_count: 1, expected: 0\n[    0.029230] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc4+ #489\n[    0.029245] Hardware name: Thundercomm TurboX CM2290 (DT)\n[    0.029256] Call trace:\n[    0.029265]  dump_backtrace.part.0+0xbc/0xd0\n[    0.029285]  show_stack+0x3c/0xa0\n[    0.029298]  dump_stack_lvl+0x7c/0xa0\n[    0.029311]  dump_stack+0x18/0x34\n[    0.029323]  __might_resched+0x10c/0x13c\n[    0.029338]  __might_sleep+0x4c/0x80\n[    0.029351]  down_read+0x24/0xd0\n[    0.029363]  lookup_one_len_unlocked+0x9c/0xcc\n[    0.029379]  lookup_positive_unlocked+0x10/0x50\n[    0.029392]  debugfs_lookup+0x68/0xac\n[    0.029406]  genpd_remove.part.0+0x12c/0x1b4\n[    0.029419]  of_genpd_remove_last+0xa8/0xd4\n[    0.029434]  psci_cpuidle_domain_probe+0x174/0x53c\n[    0.029449]  platform_probe+0x68/0xe0\n[    0.029462]  really_probe+0x190/0x430\n[    0.029473]  __driver_probe_device+0x90/0x18c\n[    0.029485]  driver_probe_device+0x40/0xe0\n[    0.029497]  __driver_attach+0xf4/0x1d0\n[    0.029508]  bus_for_each_dev+0x70/0xd0\n[    0.029523]  driver_attach+0x24/0x30\n[    0.029534]  bus_add_driver+0x164/0x22c\n[    0.029545]  driver_register+0x78/0x130\n[    0.029556]  __platform_driver_register+0x28/0x34\n[    0.029569]  psci_idle_init_domains+0x1c/0x28\n[    0.029583]  do_one_initcall+0x50/0x1b0\n[    0.029595]  kernel_init_freeable+0x214/0x280\n[    0.029609]  kernel_init+0x2c/0x13c\n[    0.029622]  ret_from_fork+0x10/0x20\n\nIt doesn't seem necessary to call genpd_debug_remove() with the lock, so\nmove it out from locking to fix the problem.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2039163c30f886cf5638afd6993705ae9bb34a06","https://git.kernel.org/stable/c/d1b6840d8fb9b35193d45d8fe6b4d830bfd20c3c","https://git.kernel.org/stable/c/f6bfe8b5b2c2a5ac8bd2fc7bca3706e6c3fc26d8","https://git.kernel.org/stable/c/fee777ea77769cc5392a34805d9d73099a223fae"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49265","score":0.00268,"percentile":0.19035,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}