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CVE-2022-50515— drm/amdgpu: Fix memory leak in hpd_rx_irq_create_workqueue()

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hpd_rx_irq_create_workqueue函数在构造工作队列数组失败时未正确释放已创建的工作队列和分配的内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Hard EPSS 0.15% · P4

Affected Version Matrix 11

VendorProduct Version RangeStatus
Linux Linux e980e1d978e0eb4c0399cff37f175779237db53b< 3ba3814c00a4817eb1cd31eff08d921c40e5f3a4 affected
8e794421bc981586d0af4e959ec76d668c793a55< 8b8da09da2701330e7f2c371655887e3d7defe90 affected
8e794421bc981586d0af4e959ec76d668c793a55< 600de40ed50c8b5ecb9c7a4f41eb882066c15a00 affected
8e794421bc981586d0af4e959ec76d668c793a55< 7136f956c73c4ba50bfeb61653dfd6a9669ea915 affected
5.15.58< 5.15.75 affected
5.16 affected
< 5.16 unaffected
5.15.75≤ 5.15.* unaffected
… +3 more rows
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I. Basic Information for CVE-2022-50515

Vulnerability Information
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Vulnerability Title
drm/amdgpu: Fix memory leak in hpd_rx_irq_create_workqueue()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix memory leak in hpd_rx_irq_create_workqueue() If construction of the array of work queues to handle hpd_rx_irq offload work fails, we need to unwind. Destroy all the created workqueues and the allocated memory for the hpd_rx_irq_offload_work_queue struct array.
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hpd_rx_irq_create_workqueue函数在构造工作队列数组失败时未正确释放已创建的工作队列和分配的内存，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 e980e1d978e0eb4c0399cff37f175779237db53b ~ 3ba3814c00a4817eb1cd31eff08d921c40e5f3a4 -
Linux Linux 5.16 -

II. Public POCs for CVE-2022-50515

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III. Intelligence Information for CVE-2022-50515

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Patches & Fixes for CVE-2022-50515 (4)

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-2022-50543 7.8 HIGH RDMA/rxe: Fix mr->map double free
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-2022-50515

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