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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/rt: Fix race in push_rt_task\n\nOverview\n========\nWhen a CPU chooses to call push_rt_task and picks a task to push to\nanother CPU\u0027s runqueue then it will call find_lock_lowest_rq method\nwhich would take a double lock on both CPUs\u0027 runqueues. If one of the\nlocks aren\u0027t readily available, it may lead to dropping the current\nrunqueue lock and reacquiring both the locks at once. During this window\nit is possible that the task is already migrated and is running on some\nother CPU. These cases are already handled. However, if the task is\nmigrated and has already been executed and another CPU is now trying to\nwake it up (ttwu) such that it is queued again on the runqeue\n(on_rq is 1) and also if the task was run by the same CPU, then the\ncurrent checks will pass even though the task was migrated out and is no\nlonger in the pushable tasks list.\n\nCrashes\n=======\nThis bug resulted in quite a few flavors of crashes triggering kernel\npanics with various crash signatures such as assert failures, page\nfaults, null pointer dereferences, and queue corruption errors all\ncoming from scheduler itself.\n\nSome of the crashes:\n-\u003e kernel BUG at kernel/sched/rt.c:1616! BUG_ON(idx \u003e= MAX_RT_PRIO)\n   Call Trace:\n   ? __die_body+0x1a/0x60\n   ? die+0x2a/0x50\n   ? do_trap+0x85/0x100\n   ? pick_next_task_rt+0x6e/0x1d0\n   ? do_error_trap+0x64/0xa0\n   ? pick_next_task_rt+0x6e/0x1d0\n   ? exc_invalid_op+0x4c/0x60\n   ? pick_next_task_rt+0x6e/0x1d0\n   ? asm_exc_invalid_op+0x12/0x20\n   ? pick_next_task_rt+0x6e/0x1d0\n   __schedule+0x5cb/0x790\n   ? update_ts_time_stats+0x55/0x70\n   schedule_idle+0x1e/0x40\n   do_idle+0x15e/0x200\n   cpu_startup_entry+0x19/0x20\n   start_secondary+0x117/0x160\n   secondary_startup_64_no_verify+0xb0/0xbb\n\n-\u003e BUG: kernel NULL pointer dereference, address: 00000000000000c0\n   Call Trace:\n   ? __die_body+0x1a/0x60\n   ? no_context+0x183/0x350\n   ? __warn+0x8a/0xe0\n   ? exc_page_fault+0x3d6/0x520\n   ? asm_exc_page_fault+0x1e/0x30\n   ? pick_next_task_rt+0xb5/0x1d0\n   ? pick_next_task_rt+0x8c/0x1d0\n   __schedule+0x583/0x7e0\n   ? update_ts_time_stats+0x55/0x70\n   schedule_idle+0x1e/0x40\n   do_idle+0x15e/0x200\n   cpu_startup_entry+0x19/0x20\n   start_secondary+0x117/0x160\n   secondary_startup_64_no_verify+0xb0/0xbb\n\n-\u003e BUG: unable to handle page fault for address: ffff9464daea5900\n   kernel BUG at kernel/sched/rt.c:1861! BUG_ON(rq-\u003ecpu != task_cpu(p))\n\n-\u003e kernel BUG at kernel/sched/rt.c:1055! BUG_ON(!rq-\u003enr_running)\n   Call Trace:\n   ? __die_body+0x1a/0x60\n   ? die+0x2a/0x50\n   ? do_trap+0x85/0x100\n   ? dequeue_top_rt_rq+0xa2/0xb0\n   ? do_error_trap+0x64/0xa0\n   ? dequeue_top_rt_rq+0xa2/0xb0\n   ? exc_invalid_op+0x4c/0x60\n   ? dequeue_top_rt_rq+0xa2/0xb0\n   ? asm_exc_invalid_op+0x12/0x20\n   ? dequeue_top_rt_rq+0xa2/0xb0\n   dequeue_rt_entity+0x1f/0x70\n   dequeue_task_rt+0x2d/0x70\n   __schedule+0x1a8/0x7e0\n   ? blk_finish_plug+0x25/0x40\n   schedule+0x3c/0xb0\n   futex_wait_queue_me+0xb6/0x120\n   futex_wait+0xd9/0x240\n   do_futex+0x344/0xa90\n   ? get_mm_exe_file+0x30/0x60\n   ? audit_exe_compare+0x58/0x70\n   ? audit_filter_rules.constprop.26+0x65e/0x1220\n   __x64_sys_futex+0x148/0x1f0\n   do_syscall_64+0x30/0x80\n   entry_SYSCALL_64_after_hwframe+0x62/0xc7\n\n-\u003e BUG: unable to handle page fault for address: ffff8cf3608bc2c0\n   Call Trace:\n   ? __die_body+0x1a/0x60\n   ? no_context+0x183/0x350\n   ? spurious_kernel_fault+0x171/0x1c0\n   ? exc_page_fault+0x3b6/0x520\n   ? plist_check_list+0x15/0x40\n   ? plist_check_list+0x2e/0x40\n   ? asm_exc_page_fault+0x1e/0x30\n   ? _cond_resched+0x15/0x30\n   ? futex_wait_queue_me+0xc8/0x120\n   ? futex_wait+0xd9/0x240\n   ? try_to_wake_up+0x1b8/0x490\n   ? futex_wake+0x78/0x160\n   ? do_futex+0xcd/0xa90\n   ? plist_check_list+0x15/0x40\n   ? plist_check_list+0x2e/0x40\n   ? plist_del+0x6a/0xd0\n   ? plist_check_list+0x15/0x40\n   ? plist_check_list+0x2e/0x40\n   ? dequeue_pushable_task+0x20/0x70\n   ? __schedule+0x382/0x7e0\n   ? asm_sysvec_reschedule_i\n---truncated---"
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.200",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.163",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.124",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.70",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.10",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: Fix stats report corruption on queue count change\n\nThe driver and the NIC share a region in memory for stats reporting.\nThe NIC calculates its offset into this region based on the total size\nof the stats region and the size of the NIC\u0027s stats.\n\nWhen the number of queues is changed, the driver\u0027s stats region is\nresized. If the queue count is increased, the NIC can write past\nthe end of the allocated stats region, causing memory corruption.\nIf the queue count is decreased, there is a gap between the driver\nand NIC stats, leading to incorrect stats reporting.\n\nThis change fixes the issue by allocating stats region with maximum\nsize, and the offset calculation for NIC stats is changed to match\nwith the calculation of the NIC."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:03:27.465Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f432f7613c220db32c2c6942420daf7b3f2e7d7e"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d93332397405b62a3300b22d04ac65d990b91ff"
        },
        {
          "url": "https://git.kernel.org/stable/c/837c662f47dac43efa1aef2dd433c6b4b4c073af"
        },
        {
          "url": "https://git.kernel.org/stable/c/df54838ab61826ecc1a562ffa5e280c3ab7289a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/9fa0a755db3e1945fe00f73fe27d85ef6c8818b7"
        },
        {
          "url": "https://git.kernel.org/stable/c/11f8311f69e4c361717371b4901ff92daeb76e9c"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b9ebcce0296e104a0d82a6b09d68564806158ff"
        }
      ],
      "title": "gve: Fix stats report corruption on queue count change",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23262",
    "datePublished": "2026-03-18T17:41:08.380Z",
    "dateReserved": "2026-01-13T15:37:45.990Z",
    "dateUpdated": "2026-11-05T21:33:34.595Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}