Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2022-50393— drm/amdgpu: SDMA update use unlocked iterator

EPSS 0.01% · P2

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinuxd38ceaf99ed015f2a0b9af3499791bd3a3daae21< b892c57a3a04c8de247ab9ee08a0a8cf53290e19affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 4ff3d517cebe8a29b9f3c302b5292bb1ce291e00affected
d38ceaf99ed015f2a0b9af3499791bd3a3daae21< 3913f0179ba366f7d7d160c506ce00de1602bbc4affected
4.2affected
< 4.2unaffected
5.19.17≤ 5.19.*unaffected
6.0.3≤ 6.0.*unaffected
6.1≤ *unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2022-50393

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
drm/amdgpu: SDMA update use unlocked iterator
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at drivers/dma-buf/dma-resv.c:483 dma_resv_iter_next Call Trace: dma_resv_iter_first+0x43/0xa0 amdgpu_vm_sdma_update+0x69/0x2d0 [amdgpu] amdgpu_vm_ptes_update+0x29c/0x870 [amdgpu] amdgpu_vm_update_range+0x2f6/0x6c0 [amdgpu] svm_range_unmap_from_gpus+0x115/0x300 [amdgpu] svm_range_cpu_invalidate_pagetables+0x510/0x5e0 [amdgpu] __mmu_notifier_invalidate_range_start+0x1d3/0x230 unmap_vmas+0x140/0x150 unmap_region+0xa8/0x110
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SDMA更新页面表时使用了未锁定的迭代器，可能导致警告或数据不一致。
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 d38ceaf99ed015f2a0b9af3499791bd3a3daae21 ~ b892c57a3a04c8de247ab9ee08a0a8cf53290e19 -
LinuxLinux 4.2 -

II. Public POCs for CVE-2022-50393

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-50393

请登录查看更多情报信息。

Same Patch Batch · Linux · 2025-09-18 · 121 CVEs total

CVE-2022-50405net/tunnel: wait until all sk_user_data reader finish before releasing the sock
CVE-2022-50418wifi: ath11k: mhi: fix potential memory leak in ath11k_mhi_register()
CVE-2022-50417drm/panfrost: Fix GEM handle creation ref-counting
CVE-2022-50416irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init()
CVE-2022-50415parisc: led: Fix potential null-ptr-deref in start_task()
CVE-2022-50414scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails
CVE-2022-50413wifi: mac80211: fix use-after-free
CVE-2022-50412drm: bridge: adv7511: unregister cec i2c device after cec adapter
CVE-2022-50411ACPICA: Fix error code path in acpi_ds_call_control_method()
CVE-2022-50410NFSD: Protect against send buffer overflow in NFSv2 READ
CVE-2022-50409net: If sock is dead don't access sock's sk_wq in sk_stream_wait_memory
CVE-2022-50407crypto: hisilicon/qm - increase the memory of local variables
CVE-2022-50408wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
CVE-2022-50406iomap: iomap: fix memory corruption when recording errors during writeback
CVE-2022-50404fbdev: fbcon: release buffer when fbcon_do_set_font() failed
CVE-2023-53410USB: ULPI: fix memory leak with using debugfs_lookup()
CVE-2023-53413USB: isp116x: fix memory leak with using debugfs_lookup()
CVE-2023-53412USB: gadget: bcm63xx_udc: fix memory leak with using debugfs_lookup()
CVE-2023-53411PM: EM: fix memory leak with using debugfs_lookup()
CVE-2023-53408trace/blktrace: fix memory leak with using debugfs_lookup()

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50393

No comments yet

Leave a comment