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CVE-2022-50523— clk: rockchip: Fix memory leak in rockchip_clk_register_pll()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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clk_register失败时未释放pll->rate_table内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Hard EPSS 0.16% · P5

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 90c590254051f511299538c158e12fdad41ce163< 20201c3a0a32f127fa4bdf379d6ac01c2978702d affected
90c590254051f511299538c158e12fdad41ce163< 86e1e080ad14c5fb6c14a5f0eb530b1b38cbc968 affected
90c590254051f511299538c158e12fdad41ce163< f02c1d8dc8d880cbaaf9094b4f396fe868ee23ff affected
90c590254051f511299538c158e12fdad41ce163< 26b94635f1c84d7f6cb482179125cb17e59c90a5 affected
90c590254051f511299538c158e12fdad41ce163< f4d70c139d313948e02360304a6cbcd3a4f5deb5 affected
90c590254051f511299538c158e12fdad41ce163< 5b0a1f1247cd42ac5e0d369f8dbb58762692edee affected
90c590254051f511299538c158e12fdad41ce163< dcd4ba068b194c6ef0071491aa3f12bec8c14d5b affected
90c590254051f511299538c158e12fdad41ce163< f2ffb8653ea85ae39ce44347751fcc4c3e41f6bb affected
… +12 more rows
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I. Basic Information for CVE-2022-50523

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: clk: rockchip: Fix memory leak in rockchip_clk_register_pll() If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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clk_register失败时未释放pll->rate_table内存，可能导致内存泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 90c590254051f511299538c158e12fdad41ce163 ~ 20201c3a0a32f127fa4bdf379d6ac01c2978702d -
Linux Linux 3.17 -

II. Public POCs for CVE-2022-50523

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III. Intelligence Information for CVE-2022-50523

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Patches & Fixes for CVE-2022-50523 (8)

Same Patch Batch · Linux · 2025-10-07 · 118 CVEs total

CVE-2023-53629 9.8 CRITICAL fs: dlm: fix use after free in midcomms commit
CVE-2023-53630 8.8 HIGH iommufd: Fix unpinning of pages when an access is present
CVE-2023-53676 8.8 HIGH scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
CVE-2023-53675 8.8 HIGH scsi: ses: Fix possible desc_ptr out-of-bounds accesses
CVE-2023-53673 8.8 HIGH Bluetooth: hci_event: call disconnect callback before deleting conn
CVE-2023-53679 8.3 HIGH wifi: mt7601u: fix an integer underflow
CVE-2023-53635 8.2 HIGH netfilter: conntrack: fix wrong ct->timeout value
CVE-2023-53669 7.8 HIGH tcp: fix skb_copy_ubufs() vs BIG TCP
CVE-2022-50555 7.8 HIGH tipc: fix a null-ptr-deref in tipc_topsrv_accept
CVE-2023-53627 7.8 HIGH scsi: hisi_sas: Grab sas_dev lock when traversing the members of sas_dev.list
CVE-2023-53626 7.8 HIGH ext4: fix possible double unlock when moving a directory
CVE-2023-53660 7.8 HIGH bpf, cpumap: Handle skb as well when clean up ptr_ring
CVE-2023-53659 7.8 HIGH iavf: Fix out-of-bounds when setting channels on remove
CVE-2023-53643 7.8 HIGH nvme-tcp: don't access released socket during error recovery
CVE-2023-53619 7.8 HIGH netfilter: conntrack: Avoid nf_ct_helper_hash uses after free
CVE-2023-53645 7.8 HIGH bpf: Make bpf_refcount_acquire fallible for non-owning refs
CVE-2023-53646 7.8 HIGH drm/i915/perf: add sentinel to xehp_oa_b_counters
CVE-2022-50528 7.8 HIGH drm/amdkfd: Fix memory leakage
CVE-2022-50518 7.8 HIGH parisc: Fix locking in pdc_iodc_print() firmware call
CVE-2023-53651 7.8 HIGH Input: exc3000 - properly stop timer on shutdown

Showing top 20 of 118 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50523

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