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Vulnerabilities

Vulnerability · CVE-2022-50362

In the Linux kernel, the following vulnerability has been resolved: dmaengine: hisilicon: Add multi-thread support for a DMA channel When we get a DMA channel and try to use it in

Published Sep 17, 2025 · catalog updated Aug 5, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2022-50362. EPSS is 0.21%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Version ranges on file
Affected products
vendor Linux Linux e9f08b65250d73ab70e79e194813f52b8d306784 <f4cee0b385cd0348e071d4d80c4c13cfe547c70d

In the Linux kernel, the following vulnerability has been resolved: dmaengine: hisilicon: Add multi-thread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 100 > /sys/module/dmatest/parameters/threads_per_chan % echo 100 > /sys/module/dmatest/parameters/iterations % echo 1 > /sys/module/dmatest/parameters/run [383493.327077] Unable to handle kernel paging request at virtual address dead000000000108 [383493.335103] Mem abort info: [383493.335103] ESR = 0x96000044 [383493.335105] EC = 0x25: DABT (current E

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux e9f08b65250d73ab70e79e194813f52b8d306784 <f4cee0b385cd0348e071d4d80c4c13cfe547c70de9f08b65250d73ab70e79e194813f52b8d306784 <f4cee0b385cd0348e071d4d80c4c13cfe547c70d

How to fix CVE-2022-50362

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-50362. EPSS is 0.21%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux e9f08b65250d73ab70e79e194813f52b8d306784 <f4cee0b385cd0348e071d4d80c4c13cfe547c70d e9f08b65250d73ab70e79e194813f52b8d306784 <f4cee0b385cd0348e071d4d80c4c13cfe547c70d. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 17, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: hisilicon: Add multi-thread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 100 > /sys/module/dmatest/parameters/threads_per_chan % echo 100 > /sys/module/dmatest/parameters/iterations % echo 1 > /sys/module/dmatest/parameters/ru

  2. Aug 5, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: hisilicon: Add multi-thread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 100 > /sys/module/dmatest/parameters/threads_per_chan % echo 100 > /sys/module/dmatest/parameters/iterations % echo 1 > /sys/module/dmatest/parameters/ru

Sources

  • CVE.orgVulnerability recordCVE-2022-50362

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-50362

    30-day exploitation probability 0.21%

    first.org
  • EUVDVulnerability recordEUVD-2022-55636

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: hisilicon: Add multi-thread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 100 > /sys/module/dmatest/paramet

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.