{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89753",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.763Z",
        "datePublished": "2026-09-11T19:46:56.806Z",
        "dateUpdated": "2026-10-19T08:52:06.974Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:52:06.974Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/vmscan.c"
                    ],
                    "versions": [
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "4f50593c9cbc883d8c9b50148a3e8a8b1fd35f57",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "4cdc1bdf40944de5c6b118fef07ad23f07844338",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "a67a00a70a7c8309ca47ea157ef3e8ed3d268f5b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "029c9408049f7f582230322057b7075bea594fd5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "b5391676c61d94ffe3272dcf6723738b802f79e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "3fd50239986302cb050d3649351bcec00fa9d5ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "cf3ba0911a1cf8680371ff113b90088edd01d2bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8315f42295d2667a7f942f154b73a86fd7cb2227",
                            "lessThan": "25f52e81216884a7444bf07a606691feb09a94e3",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/vmscan.c"
                    ],
                    "versions": [
                        {
                            "version": "3.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "3.18",
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                                {
                                    "vulnerable": true,
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                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "7.2.4"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "7.3"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4f50593c9cbc883d8c9b50148a3e8a8b1fd35f57"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4cdc1bdf40944de5c6b118fef07ad23f07844338"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a67a00a70a7c8309ca47ea157ef3e8ed3d268f5b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/029c9408049f7f582230322057b7075bea594fd5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b5391676c61d94ffe3272dcf6723738b802f79e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3fd50239986302cb050d3649351bcec00fa9d5ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf3ba0911a1cf8680371ff113b90088edd01d2bb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25f52e81216884a7444bf07a606691feb09a94e3"
                }
            ],
            "title": "mm/vmscan: report RCU-tasks quiescent states in shrink_lruvec()",
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}