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CVE-2022-50473— cpufreq: Init completion before kobject_init_and_add()

AI Predicted 4.4 Difficulty: Hard EPSS 0.14% · P4

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinux4ebe36c94aed95de71a8ce6a6762226d31c938ee< 3cdd91a9163248935720927531066b74f57aa43baffected
4ebe36c94aed95de71a8ce6a6762226d31c938ee< e379b88a8f8cffc99b318e028705ed9e3da0e1e0affected
4ebe36c94aed95de71a8ce6a6762226d31c938ee< 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3affected
4ebe36c94aed95de71a8ce6a6762226d31c938ee< d88540acfc7a17079021d866de914112c396edb1affected
4ebe36c94aed95de71a8ce6a6762226d31c938ee< e7c0c943ed675b66d4bbb16c51c6a3bb58da047eaffected
4ebe36c94aed95de71a8ce6a6762226d31c938ee< 5c51054896bcce1d33d39fead2af73fec24f40b6affected
e977b1477a6725868302957e6b5c330220391797affected
5.1.6< 5.2affected
… +8 more rows
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I. Basic Information for CVE-2022-50473

Vulnerability Information

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Vulnerability Title
cpufreq: Init completion before kobject_init_and_add()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于未初始化完成对象,可能导致空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 4ebe36c94aed95de71a8ce6a6762226d31c938ee ~ 3cdd91a9163248935720927531066b74f57aa43b -
LinuxLinux 5.2 -

II. Public POCs for CVE-2022-50473

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III. Intelligence Information for CVE-2022-50473

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Patches & Fixes for CVE-2022-50473 (6)

Same Patch Batch · Linux · 2025-10-04 · 144 CVEs total

CVE-2025-399469.8 CRITICALtls: make sure to abort the stream if headers are bogus
CVE-2022-50491coresight: cti: Fix hang in cti_disable_hw()
CVE-2023-53581net/mlx5e: Check for NOT_READY flag state after locking
CVE-2023-53580USB: Gadget: core: Help prevent panic during UVC unconfigure
CVE-2022-50507fs/ntfs3: Validate data run offset
CVE-2022-50508wifi: mt76: mt76x0: fix oob access in mt76x0_phy_get_target_power
CVE-2022-50506drbd: only clone bio if we have a backing device
CVE-2022-50504powerpc/rtas: avoid scheduling in rtas_os_term()
CVE-2022-50505iommu/amd: Fix pci device refcount leak in ppr_notifier()
CVE-2022-50503mtd: lpddr2_nvm: Fix possible null-ptr-deref
CVE-2022-50501media: coda: Add check for dcoda_iram_alloc
CVE-2022-50500netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed
CVE-2022-50499media: dvb-core: Fix double free in dvb_register_device()
CVE-2022-50497binfmt_misc: fix shift-out-of-bounds in check_special_flags
CVE-2022-50498eth: alx: take rtnl_lock on resume
CVE-2022-50496dm cache: Fix UAF in destroy()
CVE-2022-50494thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
CVE-2022-50493scsi: qla2xxx: Fix crash when I/O abort times out
CVE-2022-50492drm/msm: fix use-after-free on probe deferral
CVE-2023-53572clk: imx: scu: use _safe list iterator to avoid a use after free

Showing top 20 of 144 CVEs. View all on vendor page &rarr; →

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