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CVE-2026-23302 net: annotate data-races around sk->sk_{data_ready,write_space}

🗓️ 25 Mar 2026 10:26:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Kernel fixes data races on sk->sk_data_ready and sk->sk_write_space and adds read/write once for UDP, TCP, and AF_UNIX.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/skmsg.c",
      "net/ipv4/tcp.c",
      "net/ipv4/tcp_bpf.c",
      "net/ipv4/tcp_input.c",
      "net/ipv4/tcp_minisocks.c",
      "net/ipv4/udp.c",
      "net/ipv4/udp_bpf.c",
      "net/unix/af_unix.c"
    ],
    "versions": [
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "7ad01905831c815520f1b0486336a03bb7420465",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "c494448bb522bbbb63096540eb2319101a0480ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "f17c1c4acbe2bd702abce73a847a04a196fab2c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "27fccdbcbbfc4651b6f66756e6fa3f52e051ec23",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "2ef2b20cf4e04ac8a6ba68493f8780776ff84300",
        "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/core/skmsg.c",
      "net/ipv4/tcp.c",
      "net/ipv4/tcp_bpf.c",
      "net/ipv4/tcp_input.c",
      "net/ipv4/tcp_minisocks.c",
      "net/ipv4/udp.c",
      "net/ipv4/udp_bpf.c",
      "net/unix/af_unix.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.82",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.17",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.7",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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