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net/rds: clear cp_flags bits individually in rds_conn_path_reset()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: net/rds: clear cp_flags bits individually in rds_conn_path_reset() rds_conn_path_reset() wipes the whole flag word with a plain cp->cp_flags = 0 store. Every other accessor of that word uses atomic bitops, and some of them can run concurrently with the reset: RDS_LL_SEND_FULL is set from rds_send_xmit() and cleared from the transport completion paths, neither of which holds anything that excludes the shutdown worker. A plain store racing an atomic read-modify-write on the same word is a data race, and whichever side loses has its update silently discarded. Clear the two bits the reset is actually responsible for instead. RDS_IN_XMIT and RDS_RECV_REFILL need no store at all here: they belong to the caller, rds_conn_shutdown(), which waits for both to be clear before calling the transport shutdown and this reset. This also gives every bit in cp_flags a single well-defined writer discipline, which the following patches rely on when they turn RDS_IN_XMIT and RDS_RECV_REFILL into bit locks held across the teardown: a blanket store mid-teardown would destroy lock ownership that an atomic clear preserves. Oracle UEK carries the same conversion ("net/rds: Preserve essential connection state flags"), motivated by its asynchronous shutdown state machine, whose progress and destroy flags must survive the reset. UEK's variant also clears RDS_IN_XMIT and RDS_RECV_REFILL because there the reset runs as the final step of a

Announced Source revision 1
Original source ↗

CVE-2026-98071

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-2026-98071

Linux

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

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
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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": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "c9a7c1eb0ad41dcf004a9e870e452cafedcd9172",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "b767b48614c38687d717082860de7aa46f3b142c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "b7dc5da660eb5ffa7f7b4d33f2c74cb71c6edd6c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "b8a8b6d25e7426a638c60eaba2129c0664131e84",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "ed3ee0ac4aafda50c2f4381eb973beefeb7879ac",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "6b8d7563c28b8112e6e54abe413b028ef3f8c549",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "cb62aa8f04655a4df487913949719c0a1266ed73",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be",
        "lessThan": "103c4b13c4f50322910078d1c02f29334a574122",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/rds/connection.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.30"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.30",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.271",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.222",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "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": "6.12.111",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.53",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.7",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/rds/connection.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-98071

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#38181 · Revision 1
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