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CVE-2026-52939 net/rds: fix NULL deref in rds_ib_send_cqe_handler() on masked atomic completion

🗓️ 24 Jun 2026 07:14:28Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Fix NULL dereference in rds_ib_send_cqe_handler by treating masked atomics as non-masked.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-52939
24 Jun 202607:14
attackerkb
Circl
CVE-2026-52939
24 Jun 202610:54
circl
CVE
CVE-2026-52939
24 Jun 202607:14
cve
Debian CVE
CVE-2026-52939
24 Jun 202607:14
debiancve
EUVD
EUVD-2026-38709
24 Jun 202607:14
euvd
NVD
CVE-2026-52939
24 Jun 202608:16
nvd
OSV
DEBIAN-CVE-2026-52939
24 Jun 202616:48
osv
OSV
ECHO-9D35-3127-EDC5
25 Jun 202602:19
osv
OSV
UBUNTU-CVE-2026-52939
25 Jun 202600:00
osv
Positive Technologies
PT-2026-51732
24 Jun 202600:00
ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rds/ib_send.c"
    ],
    "versions": [
      {
        "version": "20c72bd5f5f902e5a8745d51573699605bf8d21c",
        "lessThan": "a0148342badd8c9b2e46551766a27cb76c82e715",
        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
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      },
      {
        "version": "20c72bd5f5f902e5a8745d51573699605bf8d21c",
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        "status": "affected",
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      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "20c72bd5f5f902e5a8745d51573699605bf8d21c",
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rds/ib_send.c"
    ],
    "versions": [
      {
        "version": "2.6.37",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.37",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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