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CVE-2021-46920 dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback

🗓️ 27 Feb 2024 06:53:57Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 25 Views

Fix clobbering of SWERR overflow bit on writeback in dmaengine: idx

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2021-46920
27 Feb 202407:15
–attackerkb
BDU FSTEC		The vulnerability of the idxd component in the Linux operating system’s kernel allows a hacker to disclose confidential information.
22 Apr 202400:00
–bdu_fstec
Circl		CVE-2021-46920
27 Feb 202408:32
–circl
CNNVD		Linux kernel security vulnerabilities
27 Feb 202400:00
–cnnvd
CVE		CVE-2021-46920
27 Feb 202406:53
–cve
Debian CVE		CVE-2021-46920
27 Feb 202406:53
–debiancve
NVD		CVE-2021-46920
27 Feb 202407:15
–nvd
OpenVAS		openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1489-1)
20 Aug 202400:00
–openvas
OpenVAS		SUSE: Security Advisory (SUSE-SU-2024:1489-1)
13 Feb 202500:00
–openvas
OSV		DEBIAN-CVE-2021-46920
27 Feb 202407:15
–osv
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/idxd/irq.c"
    ],
    "versions": [
      {
        "version": "bfe1d56091c1a404b3d4ce7e9809d745fc4453bb",
        "lessThan": "a5ad12d5d69c63af289a37f05187a0c6fe93553d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bfe1d56091c1a404b3d4ce7e9809d745fc4453bb",
        "lessThan": "02981a44a0e402089775416371bd2e0c935685f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bfe1d56091c1a404b3d4ce7e9809d745fc4453bb",
        "lessThan": "ea941ac294d75d0ace50797aebf0056f6f8f7a7f",
        "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/idxd/irq.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.32",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.11.16",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:44Current
5.9Medium risk
Vulners AI Score5.9
EPSS0.00218
linux kernelvulnerabilitydmaengine
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