{
  "threat_severity" : "Moderate",
  "public_date" : "2025-02-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: PM: domains: Fix sleep-in-atomic bug caused by genpd_debug_remove()",
    "id" : "2348093",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2348093"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-663",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nPM: domains: Fix sleep-in-atomic bug caused by genpd_debug_remove()\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[    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\nIt doesn't seem necessary to call genpd_debug_remove() with the lock, so\nmove it out from locking to fix the problem." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-11-08T00:00:00Z",
    "advisory" : "RHSA-2022:7683",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-425.3.1.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-49265\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49265\nhttps://lore.kernel.org/linux-cve-announce/2025022629-CVE-2022-49265-11d4@gregkh/T" ],
  "name" : "CVE-2022-49265",
  "csaw" : false
}