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              "version": "4.13"
            },
            {
              "lessThan": "4.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.283",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.225",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.166",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.107",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.48",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.283",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.225",
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                  "vulnerable": true
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                  "vulnerable": true
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              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfs: Don\u0027t evict inode under the inode lru traversing context\n\nThe inode reclaiming process(See function prune_icache_sb) collects all\nreclaimable inodes and mark them with I_FREEING flag at first, at that\ntime, other processes will be stuck if they try getting these inodes\n(See function find_inode_fast), then the reclaiming process destroy the\ninodes by function dispose_list(). Some filesystems(eg. ext4 with\nea_inode feature, ubifs with xattr) may do inode lookup in the inode\nevicting callback function, if the inode lookup is operated under the\ninode lru traversing context, deadlock problems may happen.\n\nCase 1: In function ext4_evict_inode(), the ea inode lookup could happen\n        if ea_inode feature is enabled, the lookup process will be stuck\n\tunder the evicting context like this:\n\n 1. File A has inode i_reg and an ea inode i_ea\n 2. getfattr(A, xattr_buf) // i_ea is added into lru // lru-\u003ei_ea\n 3. Then, following three processes running like this:\n\n    PA                              PB\n echo 2 \u003e /proc/sys/vm/drop_caches\n  shrink_slab\n   prune_dcache_sb\n   // i_reg is added into lru, lru-\u003ei_ea-\u003ei_reg\n   prune_icache_sb\n    list_lru_walk_one\n     inode_lru_isolate\n      i_ea-\u003ei_state |= I_FREEING // set inode state\n     inode_lru_isolate\n      __iget(i_reg)\n      spin_unlock(\u0026i_reg-\u003ei_lock)\n      spin_unlock(lru_lock)\n                                     rm file A\n                                      i_reg-\u003enlink = 0\n      iput(i_reg) // i_reg-\u003enlink is 0, do evict\n       ext4_evict_inode\n        ext4_xattr_delete_inode\n         ext4_xattr_inode_dec_ref_all\n          ext4_xattr_inode_iget\n           ext4_iget(i_ea-\u003ei_ino)\n            iget_locked\n             find_inode_fast\n              __wait_on_freeing_inode(i_ea) ----\u2192 AA deadlock\n    dispose_list // cannot be executed by prune_icache_sb\n     wake_up_bit(\u0026i_ea-\u003ei_state)\n\nCase 2: In deleted inode writing function ubifs_jnl_write_inode(), file\n        deleting process holds BASEHD\u0027s wbuf-\u003eio_mutex while getting the\n\txattr inode, which could race with inode reclaiming process(The\n        reclaiming process could try locking BASEHD\u0027s wbuf-\u003eio_mutex in\n\tinode evicting function), then an ABBA deadlock problem would\n\thappen as following:\n\n 1. File A has inode ia and a xattr(with inode ixa), regular file B has\n    inode ib and a xattr.\n 2. getfattr(A, xattr_buf) // ixa is added into lru // lru-\u003eixa\n 3. Then, following three processes running like this:\n\n        PA                PB                        PC\n                echo 2 \u003e /proc/sys/vm/drop_caches\n                 shrink_slab\n                  prune_dcache_sb\n                  // ib and ia are added into lru, lru-\u003eixa-\u003eib-\u003eia\n                  prune_icache_sb\n                   list_lru_walk_one\n                    inode_lru_isolate\n                     ixa-\u003ei_state |= I_FREEING // set inode state\n                    inode_lru_isolate\n                     __iget(ib)\n                     spin_unlock(\u0026ib-\u003ei_lock)\n                     spin_unlock(lru_lock)\n                                                   rm file B\n                                                    ib-\u003enlink = 0\n rm file A\n  iput(ia)\n   ubifs_evict_inode(ia)\n    ubifs_jnl_delete_inode(ia)\n     ubifs_jnl_write_inode(ia)\n      make_reservation(BASEHD) // Lock wbuf-\u003eio_mutex\n      ubifs_iget(ixa-\u003ei_ino)\n       iget_locked\n        find_inode_fast\n         __wait_on_freeing_inode(ixa)\n          |          iput(ib) // ib-\u003enlink is 0, do evict\n          |           ubifs_evict_inode\n          |            ubifs_jnl_delete_inode(ib)\n          \u2193             ubifs_jnl_write_inode\n     ABBA deadlock \u2190-----make_reservation(BASEHD)\n                   dispose_list // cannot be executed by prune_icache_sb\n                    wake_up_bit(\u0026ixa-\u003ei_state)\n\nFix the possible deadlock by using new inode state flag I_LRU_ISOLATING\nto pin the inode in memory while inode_lru_isolate(\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:33:34.796Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3525ad25240dfdd8c78f3470911ed10aa727aa72"
        },
        {
          "url": "https://git.kernel.org/stable/c/03880af02a78bc9a98b5a581f529cf709c88a9b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/cda54ec82c0f9d05393242b20b13f69b083f7e88"
        },
        {
          "url": "https://git.kernel.org/stable/c/437741eba63bf4e437e2beb5583f8633556a2b98"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9bda5f6012dd00372f3a06a82ed8971a4c57c32"
        },
        {
          "url": "https://git.kernel.org/stable/c/9063ab49c11e9518a3f2352434bb276cc8134c5f"
        },
        {
          "url": "https://git.kernel.org/stable/c/2a0629834cd82f05d424bbc193374f9a43d1f87d"
        }
      ],
      "title": "vfs: Don\u0027t evict inode under the inode lru traversing context",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-45003",
    "datePublished": "2024-09-04T19:54:46.276Z",
    "dateReserved": "2024-08-21T05:34:56.678Z",
    "dateUpdated": "2026-05-11T20:33:34.796Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}