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CVE-2026-31493

🗓️ 22 Apr 2026 13:54:16Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 55 Views

RDMA/efa fix: symmetric allocation and deallocation of completion context to prevent use-after-free in admin queue errors.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux Kernel efa_com_cmd_exec Buffer Overflow
25 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-31493
9 Jul 202601:16
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
21 Apr 202616:00
–cnnvd
cvelist
Cvelist
CVE-2026-31493 RDMA/efa: Fix use of completion ctx after free
22 Apr 202613:54
–cvelist
debiancve
Debian CVE
CVE-2026-31493
22 Apr 202613:54
–debiancve
euvd
EUVD
EUVD-2026-24863
22 Apr 202615:31
–euvd
mscve
Microsoft CVE
RDMA/efa: Fix use of completion ctx after free
23 Apr 202608:10
–mscve
nvd
NVD
CVE-2026-31493
22 Apr 202614:16
–nvd
nessus
Tenable Nessus
openSUSE 16 Security Update : kernel (openSUSE-SU-2026:20912-1)
11 Jun 202600:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.12.1–6.18.21
linuxlinux_kernelRange6.19–6.19.11
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/hw/efa/efa_com.c"
    ],
    "versions": [
      {
        "version": "68fb9f3e312a36e49fd05ec2d6b668daf2c4931a",
        "lessThan": "8c24b5179af260a5f36571c992d29aab1f448544",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "68fb9f3e312a36e49fd05ec2d6b668daf2c4931a",
        "lessThan": "7ba09d85f177e9f5f64b881f33dbcb57b2cf23d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "68fb9f3e312a36e49fd05ec2d6b668daf2c4931a",
        "lessThan": "0dd98aea1c0c45987fa2dd92f988b0eb1a72c125",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "68fb9f3e312a36e49fd05ec2d6b668daf2c4931a",
        "lessThan": "1cf95fe5dc5471efea947b4c6f8913da6bc7976e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "68fb9f3e312a36e49fd05ec2d6b668daf2c4931a",
        "lessThan": "ef3b06742c8a201d0e83edc9a33a89a4fe3009f8",
        "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/infiniband/hw/efa/efa_com.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Oct 2026 13:18Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.8
EPSS0.00163
55