CVE-2024-26861 (GCVE-0-2024-26861)

Vulnerability from cvelistv5 – Published: 2024-04-17 10:27 – Updated: 2025-05-04 12:55
VLAI?
Title
wireguard: receive: annotate data-race around receiving_counter.counter
Summary
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 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 ...
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < f87884e0dffd61b47e58bc6e1e2f6843c212b0cc (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < d691be84ab898cf136a35176eaf2f8fc116563f0 (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < 45a83b220c83e3c326513269afbf69ae6fc65cce (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < 78739d72f16b2d7d549f713f1dfebd678d32484b (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < 3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed (git)
Affected: a9e90d9931f3a474f04bab782ccd9d77904941e9 , < bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 (git)
Affected: 4a7939808afdc57ecaeb72d049e2985321a1e44e (git)
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    Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.214 , ≤ 5.10.* (semver)
Unaffected: 5.15.153 , ≤ 5.15.* (semver)
Unaffected: 6.1.83 , ≤ 6.1.* (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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\"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireguard/receive.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc\"}, {\"url\": \"https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0\"}, {\"url\": \"https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce\"}, {\"url\": \"https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b\"}, {\"url\": \"https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6\"}, {\"url\": \"https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed\"}, {\"url\": \"https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\"}], \"x_generator\": {\"engine\": \"bippy-a5840b7849dd\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwireguard: receive: annotate data-race around receiving_counter.counter\\n\\nSyzkaller with KCSAN identified a data-race issue when accessing\\nkeypair-\u003ereceiving_counter.counter. Use READ_ONCE() and WRITE_ONCE()\\nannotations to mark the data race as intentional.\\n\\n    BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll\\n\\n    write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:\\n     counter_validate drivers/net/wireguard/receive.c:321 [inline]\\n     wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461\\n     __napi_poll+0x60/0x3b0 net/core/dev.c:6536\\n     napi_poll net/core/dev.c:6605 [inline]\\n     net_rx_action+0x32b/0x750 net/core/dev.c:6738\\n     __do_softirq+0xc4/0x279 kernel/softirq.c:553\\n     do_softirq+0x5e/0x90 kernel/softirq.c:454\\n     __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381\\n     __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]\\n     _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210\\n     spin_unlock_bh include/linux/spinlock.h:396 [inline]\\n     ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]\\n     wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499\\n     process_one_work kernel/workqueue.c:2633 [inline]\\n     ...\\n\\n    read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:\\n     decrypt_packet drivers/net/wireguard/receive.c:252 [inline]\\n     wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501\\n     process_one_work kernel/workqueue.c:2633 [inline]\\n     process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706\\n     worker_thread+0x525/0x730 kernel/workqueue.c:2787\\n     ...\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-29T05:24:03.080Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26861\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-11T17:33:26.632Z\", \"dateReserved\": \"2024-02-19T14:20:24.184Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T10:27:24.980Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.