cve-2024-35929
Vulnerability from cvelistv5
Published
2024-05-19 10:10
Modified
2024-11-05 09:25
Severity ?
Summary
rcu/nocb: Fix WARN_ON_ONCE() in the rcu_nocb_bypass_lock()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-35929",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-23T19:21:22.724357Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:34:50.854Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:21:49.023Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/rcu/tree_nocb.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4d58c9fb45c7",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "927d1f4f77e4",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "dda98810b552",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/rcu/tree_nocb.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/nocb: Fix WARN_ON_ONCE() in the rcu_nocb_bypass_lock()\n\nFor the kernels built with CONFIG_RCU_NOCB_CPU_DEFAULT_ALL=y and\nCONFIG_RCU_LAZY=y, the following scenarios will trigger WARN_ON_ONCE()\nin the rcu_nocb_bypass_lock() and rcu_nocb_wait_contended() functions:\n\n        CPU2                                               CPU11\nkthread\nrcu_nocb_cb_kthread                                       ksys_write\nrcu_do_batch                                              vfs_write\nrcu_torture_timer_cb                                      proc_sys_write\n__kmem_cache_free                                         proc_sys_call_handler\nkmemleak_free                                             drop_caches_sysctl_handler\ndelete_object_full                                        drop_slab\n__delete_object                                           shrink_slab\nput_object                                                lazy_rcu_shrink_scan\ncall_rcu                                                  rcu_nocb_flush_bypass\n__call_rcu_commn                                            rcu_nocb_bypass_lock\n                                                            raw_spin_trylock(\u0026rdp-\u003enocb_bypass_lock) fail\n                                                            atomic_inc(\u0026rdp-\u003enocb_lock_contended);\nrcu_nocb_wait_contended                                     WARN_ON_ONCE(smp_processor_id() != rdp-\u003ecpu);\n WARN_ON_ONCE(atomic_read(\u0026rdp-\u003enocb_lock_contended))                                          |\n                            |_ _ _ _ _ _ _ _ _ _same rdp and rdp-\u003ecpu != 11_ _ _ _ _ _ _ _ _ __|\n\nReproduce this bug with \"echo 3 \u003e /proc/sys/vm/drop_caches\".\n\nThis commit therefore uses rcu_nocb_try_flush_bypass() instead of\nrcu_nocb_flush_bypass() in lazy_rcu_shrink_scan().  If the nocb_bypass\nqueue is being flushed, then rcu_nocb_try_flush_bypass will return\ndirectly."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:25:12.307Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a"
        },
        {
          "url": "https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f"
        }
      ],
      "title": "rcu/nocb: Fix WARN_ON_ONCE() in the rcu_nocb_bypass_lock()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35929",
    "datePublished": "2024-05-19T10:10:38.388Z",
    "dateReserved": "2024-05-17T13:50:33.129Z",
    "dateUpdated": "2024-11-05T09:25:12.307Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35929\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-19T11:15:48.993\",\"lastModified\":\"2024-11-21T09:21:13.567\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nrcu/nocb: Fix WARN_ON_ONCE() in the rcu_nocb_bypass_lock()\\n\\nFor the kernels built with CONFIG_RCU_NOCB_CPU_DEFAULT_ALL=y and\\nCONFIG_RCU_LAZY=y, the following scenarios will trigger WARN_ON_ONCE()\\nin the rcu_nocb_bypass_lock() and rcu_nocb_wait_contended() functions:\\n\\n        CPU2                                               CPU11\\nkthread\\nrcu_nocb_cb_kthread                                       ksys_write\\nrcu_do_batch                                              vfs_write\\nrcu_torture_timer_cb                                      proc_sys_write\\n__kmem_cache_free                                         proc_sys_call_handler\\nkmemleak_free                                             drop_caches_sysctl_handler\\ndelete_object_full                                        drop_slab\\n__delete_object                                           shrink_slab\\nput_object                                                lazy_rcu_shrink_scan\\ncall_rcu                                                  rcu_nocb_flush_bypass\\n__call_rcu_commn                                            rcu_nocb_bypass_lock\\n                                                            raw_spin_trylock(\u0026rdp-\u003enocb_bypass_lock) fail\\n                                                            atomic_inc(\u0026rdp-\u003enocb_lock_contended);\\nrcu_nocb_wait_contended                                     WARN_ON_ONCE(smp_processor_id() != rdp-\u003ecpu);\\n WARN_ON_ONCE(atomic_read(\u0026rdp-\u003enocb_lock_contended))                                          |\\n                            |_ _ _ _ _ _ _ _ _ _same rdp and rdp-\u003ecpu != 11_ _ _ _ _ _ _ _ _ __|\\n\\nReproduce this bug with \\\"echo 3 \u003e /proc/sys/vm/drop_caches\\\".\\n\\nThis commit therefore uses rcu_nocb_try_flush_bypass() instead of\\nrcu_nocb_flush_bypass() in lazy_rcu_shrink_scan().  If the nocb_bypass\\nqueue is being flushed, then rcu_nocb_try_flush_bypass will return\\ndirectly.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: rcu/nocb: corrija WARN_ON_ONCE() en rcu_nocb_bypass_lock() Para los kernels creados con CONFIG_RCU_NOCB_CPU_DEFAULT_ALL=y y CONFIG_RCU_LAZY=y, los siguientes escenarios activar\u00e1n WARN_ON_ONCE() en rcu_nocb_bypass_lock( ) y funciones rcu_nocb_wait_contended(): CPU2 CPU11 kthread rcu_nocb_cb_kthread ksys_write rcu_do_batch vfs_write rcu_torture_timer_cb proc_sys_write __kmem_cache_free proc_sys_call_handler kmemleak_free drop_caches_sysctl_handler delete_object_full losa __delete_object encogimiento_slab put_object lazy_rcu_shrink_scan call_rcu rcu_nocb_flush_bypass __call_rcu_commn rcu_nocb_bypass_lock raw_spin_trylock(\u0026amp;rdp-\u0026gt;nocb_bypass_lock) fail atomic_inc(\u0026amp;rdp-\u0026gt;nocb_lock_contended); rcu_nocb_wait_contended WARN_ON_ONCE(smp_processor_id()!= rdp-\u0026gt;cpu); WARN_ON_ONCE(atomic_read(\u0026amp;rdp-\u0026gt;nocb_lock_contended)) | |_ _ _ _ _ _ _ _ _ _mismo rdp y rdp-\u0026gt;cpu != 11_ _ _ _ _ _ _ _ _ __| Reproduzca este error con \\\"echo 3 \u0026gt; /proc/sys/vm/drop_caches\\\". Por lo tanto, esta confirmaci\u00f3n utiliza rcu_nocb_try_flush_bypass() en lugar de rcu_nocb_flush_bypass() en lazy_rcu_shrink_scan(). Si se est\u00e1 vaciando la cola nocb_bypass, entonces rcu_nocb_try_flush_bypass regresar\u00e1 directamente.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4d58c9fb45c70e62c19e8be3f3605889c47601bc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/927d1f4f77e4784ab3944a9df86ab14d1cd3185a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/dda98810b552fc6bf650f4270edeebdc2f28bd3f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.