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wireguard: receive: annotate data-race around receiving_counter.counter

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receiving_counter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE() annotations to mark the data race as intentional. BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0: counter_validate drivers/net/wireguard/receive.c:321 [inline] wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [inline] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:2633 [inline] ... read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1: decrypt_packet drivers/net/wireguard/receive.c:252 [inline] wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa30 kern

Announced Source revision 1
Original source ↗

CVE-2024-26861

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-2024-26861

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": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "f87884e0dffd61b47e58bc6e1e2f6843c212b0cc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "d691be84ab898cf136a35176eaf2f8fc116563f0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "45a83b220c83e3c326513269afbf69ae6fc65cce",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "78739d72f16b2d7d549f713f1dfebd678d32484b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "3f94da807fe1668b9830f0eefbbf7e887b0a7bc6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a9e90d9931f3a474f04bab782ccd9d77904941e9",
        "lessThan": "bba045dc4d996d03dce6fe45726e78a1a1f6d4c3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4a7939808afdc57ecaeb72d049e2985321a1e44e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.6.16",
        "lessThan": "5.7",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "drivers/net/wireguard/receive.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.7"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.7",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.214",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.153",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.83",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.23",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.11",
        "versionType": "semver",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/wireguard/receive.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-26861

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26437 · Revision 1
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Publisher date
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