{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8315f42295d2667a7f942f154b73a86fd7cb2227"
            },
            {
              "fixed": "4f50593c9cbc883d8c9b50148a3e8a8b1fd35f57"
            },
            {
              "fixed": "4cdc1bdf40944de5c6b118fef07ad23f07844338"
            },
            {
              "fixed": "a67a00a70a7c8309ca47ea157ef3e8ed3d268f5b"
            },
            {
              "fixed": "029c9408049f7f582230322057b7075bea594fd5"
            },
            {
              "fixed": "b5391676c61d94ffe3272dcf6723738b802f79e8"
            },
            {
              "fixed": "3fd50239986302cb050d3649351bcec00fa9d5ab"
            },
            {
              "fixed": "cf3ba0911a1cf8680371ff113b90088edd01d2bb"
            },
            {
              "fixed": "25f52e81216884a7444bf07a606691feb09a94e3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.18.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.109"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.50"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89753.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/vmscan: report RCU-tasks quiescent states in shrink_lruvec()\n\nI am seeing some rcu_tasks stalls in the Meta fleet during reclaim.\n\n  INFO: rcu_tasks detected stalls on tasks:\n\t0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idle_cpu: -1/8\n\ttask:GlobalCPUThread state:R  running task  pid:2552016 tgid:2524552\n  Call Trace:\n   shrink_lruvec\n   mem_cgroup_iter\n   shrink_node\n   do_try_to_free_pages\n   try_to_free_pages\n   __alloc_frozen_pages_noprof\n   alloc_pages_noprof\n   pte_alloc_one\n   __pte_alloc\n   handle_mm_fault\n\nNothing promises direct reclaim returns in bounded time, and the scan loop\nin shrink_lruvec() only calls cond_resched(), which is a no-op on\nPREEMPTION kernels.  Involuntary preemption is not a Tasks-RCU quiescent\nstate, so the reclaiming task never reports one and becomes a holdout.\n\nUpgrade it to cond_resched_tasks_rcu_qs(), which reports a quiescent state\neven when cond_resched() does nothing.\n\nPS: This has been discussed in [1]",
  "id": "CVE-2026-89753",
  "modified": "2026-09-15T03:30:58.108741341Z",
  "published": "2026-09-11T19:46:56.806Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/029c9408049f7f582230322057b7075bea594fd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25f52e81216884a7444bf07a606691feb09a94e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3fd50239986302cb050d3649351bcec00fa9d5ab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4cdc1bdf40944de5c6b118fef07ad23f07844338"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f50593c9cbc883d8c9b50148a3e8a8b1fd35f57"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a67a00a70a7c8309ca47ea157ef3e8ed3d268f5b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5391676c61d94ffe3272dcf6723738b802f79e8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf3ba0911a1cf8680371ff113b90088edd01d2bb"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89753.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89753"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "mm/vmscan: report RCU-tasks quiescent states in shrink_lruvec()"
}