CVE-2022-50473
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
cpufreq: Init completion before kobject_init_and_add()
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
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | 3cdd91a9163248935720927531066b74f57aa43b | Unavailable | None listed |
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | e379b88a8f8cffc99b318e028705ed9e3da0e1e0 | Unavailable | None listed |
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3 | Unavailable | None listed |
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | d88540acfc7a17079021d866de914112c396edb1 | Unavailable | None listed |
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | e7c0c943ed675b66d4bbb16c51c6a3bb58da047e | Unavailable | None listed |
| 4ebe36c94aed95de71a8ce6a6762226d31c938ee | affected | git | 5c51054896bcce1d33d39fead2af73fec24f40b6 | Unavailable | None listed |
| e977b1477a6725868302957e6b5c330220391797 | affected | git | Unavailable | Unavailable | None listed |
| 5.1.6 | affected | semver | 5.2 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.2 | Unavailable | None listed |
| 5.4.229 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.163 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.87 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.18 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1.4 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |