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CVE-2022-50473

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: Init completion before kobject_init_and_add()

In cpufreq_policy_alloc(), it will call uninitialed completion in
cpufreq_sysfs_release() when kobject_init_and_add() fails. And
that will cause a crash such as the following page fault in complete:

BUG: unable to handle page fault for address: fffffffffffffff8
[..]
RIP: 0010:complete+0x98/0x1f0
[..]
Call Trace:
 kobject_put+0x1be/0x4c0
 cpufreq_online.cold+0xee/0x1fd
 cpufreq_add_dev+0x183/0x1e0
 subsys_interface_register+0x3f5/0x4e0
 cpufreq_register_driver+0x3b7/0x670
 acpi_cpufreq_init+0x56c/0x1000 [acpi_cpufreq]
 do_one_initcall+0x13d/0x780
 do_init_module+0x1c3/0x630
 load_module+0x6e67/0x73b0
 __do_sys_finit_module+0x181/0x240
 do_syscall_64+0x35/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorLinux
≫
Product Linux
Default Statusunaffected
Version < 3cdd91a9163248935720927531066b74f57aa43b
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version < e379b88a8f8cffc99b318e028705ed9e3da0e1e0
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version < 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version < d88540acfc7a17079021d866de914112c396edb1
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version < e7c0c943ed675b66d4bbb16c51c6a3bb58da047e
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version < 5c51054896bcce1d33d39fead2af73fec24f40b6
Version 4ebe36c94aed95de71a8ce6a6762226d31c938ee
Status affected
Version e977b1477a6725868302957e6b5c330220391797
Status affected
VendorLinux
≫
Product Linux
Default Statusaffected
Version 5.2
Status affected
Version < 5.2
Version 0
Status unaffected
Version <= 5.4.*
Version 5.4.229
Status unaffected
Version <= 5.10.*
Version 5.10.163
Status unaffected
Version <= 5.15.*
Version 5.15.87
Status unaffected
Version <= 6.0.*
Version 6.0.18
Status unaffected
Version <= 6.1.*
Version 6.1.4
Status unaffected
Version <= *
Version 6.2
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.02% 0.053
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string