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RDMA/efa: Keep admin queues alive while IRQ is registered

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep admin queues alive while IRQ is registered The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before constructing these queues and destroyed them before freeing the IRQ, so the handler's lifetime was not contained by the resources it accesses. Initialize the queues with interrupts masked, request the IRQ, and then switch to interrupt mode. On removal, reset the device and free the IRQ before destroying the queues. Also reset the device before destroying the queues if IRQ registration fails, because the device already has their DMA addresses.

Announced Source revision 1
Original source ↗

CVE-2026-98430

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-98430

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "0a8a105978e5ace0d885964317c5aed8ab4c0a0c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "00f7df59543cce445cfd2f109ace88c17d8aef4d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "bc7e64bad96c23fb343f47689670d0037f1a65e7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "d2a1c0bf4139c17b8d7668322b78c28d8c5b2dd0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "cf5520d1c931a70ccce0a1a247113bcec47a42be",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b7f5e880f3774ff1934ce272e1c3b673a3a9c414",
        "lessThan": "e08aca85c02ff290f785f07acae758f0daf5f49e",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/efa/efa_com.c",
      "drivers/infiniband/hw/efa/efa_main.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.2"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.2",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.1.189",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.158",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.112",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.54",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.8",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/efa/efa_com.c",
      "drivers/infiniband/hw/efa/efa_main.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-98430

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#38494 · Revision 1
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Publisher date
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