CVE-2025-38617 (GCVE-0-2025-38617)
Vulnerability from cvelistv5
Published
2025-08-22 13:01
Modified
2025-08-28 14:44
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/packet: fix a race in packet_set_ring() and packet_notifier() When packet_set_ring() releases po->bind_lock, another thread can run packet_notifier() and process an NETDEV_UP event. This race and the fix are both similar to that of commit 15fe076edea7 ("net/packet: fix a race in packet_bind() and packet_notifier()"). There too the packet_notifier NETDEV_UP event managed to run while a po->bind_lock critical section had to be temporarily released. And the fix was similarly to temporarily set po->num to zero to keep the socket unhooked until the lock is retaken. The po->bind_lock in packet_set_ring and packet_notifier precede the introduction of git history.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/01d3c8417b9c1b884a8a981a3b886da556512f36
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/18f13f2a83eb81be349a9757ba2141ff1da9ad73
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7da733f117533e9b2ebbd530a22ae4028713955c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7de07705007c7e34995a5599aaab1d23e762d7ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88caf46db8239e6471413d28aabaa6b8bd552805
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba2257034755ae773722f15f4c3ad1dcdad15ca9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e50ccfaca9e3c671cae917dcb994831a859cf588
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1791fd7b845bea0ce9674fcf2febee7bc87a893
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2e8fcfd2b1bc754920108b7f2cd75082c5a18df
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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   Linux Linux Version: 2.6.12
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{
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/packet: fix a race in packet_set_ring() and packet_notifier()\n\nWhen packet_set_ring() releases po-\u003ebind_lock, another thread can\nrun packet_notifier() and process an NETDEV_UP event.\n\nThis race and the fix are both similar to that of commit 15fe076edea7\n(\"net/packet: fix a race in packet_bind() and packet_notifier()\").\n\nThere too the packet_notifier NETDEV_UP event managed to run while a\npo-\u003ebind_lock critical section had to be temporarily released. And\nthe fix was similarly to temporarily set po-\u003enum to zero to keep\nthe socket unhooked until the lock is retaken.\n\nThe po-\u003ebind_lock in packet_set_ring and packet_notifier precede the\nintroduction of git history."
        }
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        "dateUpdated": "2025-08-28T14:44:14.485Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/01d3c8417b9c1b884a8a981a3b886da556512f36"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38617",
    "datePublished": "2025-08-22T13:01:23.963Z",
    "dateReserved": "2025-04-16T04:51:24.029Z",
    "dateUpdated": "2025-08-28T14:44:14.485Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38617\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-08-22T14:15:46.160\",\"lastModified\":\"2025-08-28T15:15:55.930\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/packet: fix a race in packet_set_ring() and packet_notifier()\\n\\nWhen packet_set_ring() releases po-\u003ebind_lock, another thread can\\nrun packet_notifier() and process an NETDEV_UP event.\\n\\nThis race and the fix are both similar to that of commit 15fe076edea7\\n(\\\"net/packet: fix a race in packet_bind() and packet_notifier()\\\").\\n\\nThere too the packet_notifier NETDEV_UP event managed to run while a\\npo-\u003ebind_lock critical section had to be temporarily released. And\\nthe fix was similarly to temporarily set po-\u003enum to zero to keep\\nthe socket unhooked until the lock is retaken.\\n\\nThe po-\u003ebind_lock in packet_set_ring and packet_notifier precede the\\nintroduction of git history.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/packet: correcci\u00f3n de una carrera en packet_set_ring() y packet_notifier(). Cuando packet_set_ring() libera po-\u0026gt;bind_lock, otro hilo puede ejecutar packet_notifier() y procesar un evento NETDEV_UP. Esta carrera y la correcci\u00f3n son similares a las del commit 15fe076edea7 (\\\"net/packet: correcci\u00f3n de una carrera en packet_bind() y packet_notifier()\\\"). En este caso, el evento NETDEV_UP de packet_notifier tambi\u00e9n se ejecut\u00f3 mientras una secci\u00f3n cr\u00edtica de po-\u0026gt;bind_lock deb\u00eda liberarse temporalmente. La correcci\u00f3n tambi\u00e9n consist\u00eda en establecer temporalmente po-\u0026gt;num en cero para mantener el socket desconectado hasta que se recupere el bloqueo. El po-\u0026gt;bind_lock en packet_set_ring y packet_notifier precede a la introducci\u00f3n del historial de Git.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/01d3c8417b9c1b884a8a981a3b886da556512f36\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/18f13f2a83eb81be349a9757ba2141ff1da9ad73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7da733f117533e9b2ebbd530a22ae4028713955c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7de07705007c7e34995a5599aaab1d23e762d7ca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/88caf46db8239e6471413d28aabaa6b8bd552805\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ba2257034755ae773722f15f4c3ad1dcdad15ca9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e50ccfaca9e3c671cae917dcb994831a859cf588\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f1791fd7b845bea0ce9674fcf2febee7bc87a893\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f2e8fcfd2b1bc754920108b7f2cd75082c5a18df\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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