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CVE-2022-49753 dmaengine: Fix double increment of client_count in dma_chan_get()

🗓️ 27 Mar 2025 16:43:01Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 8 Views

Fixed double increment in client_count of dma_chan_get() to prevent resource mismanagement.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2025-2837 (ALAS-2025-2837)
1 May 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-089)
29 Apr 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.15-2024-037)
6 Feb 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-042 (ALASKERNEL-5.4-2023-042)
23 Feb 202300:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2023-1706)
22 Mar 202300:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1689)
30 Jun 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1704)
30 Jun 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2025-1777)
10 Jul 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2025-1800)
10 Jul 202500:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2025-2168)
16 Sep 202500:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma/dmaengine.c"
    ],
    "versions": [
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "1b409e14b4b7af034e0450f95c165b6c5c87dbc1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "c6221afe573413fd2981e291f7df4a58283e0654",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "18dd3b30d4c7e8440c63118c7a7b687372b9567f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "42ecd72f02cd657b00b559621e7ef7d2c4d3e5f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "71c601965532c38030133535f7cd93c1efa75af1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "142d644fd2cc059ffa042fbfb68e766433ef3afd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2f4f99db3e9ec8b063cf2e45704e2bb95428317",
        "lessThan": "f3dc1b3b4750851a94212dba249703dd0e50bb20",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma/dmaengine.c"
    ],
    "versions": [
      {
        "version": "4.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.305",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.272",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.231",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.166",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.91",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.9",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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cve-2022-49753 linux kernel vulnerability client count increment dma_chan_get resource management
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