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    "cveMetadata": {
        "cveId": "CVE-2024-26756",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-19T14:20:24.170Z",
        "datePublished": "2024-04-03T17:00:40.814Z",
        "dateUpdated": "2026-05-11T20:03:34.014Z"
    },
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                "dateUpdated": "2026-05-11T20:03:34.014Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Don't register sync_thread for reshape directly\n\nCurrently, if reshape is interrupted, then reassemble the array will\nregister sync_thread directly from pers->run(), in this case\n'MD_RECOVERY_RUNNING' is set directly, however, there is no guarantee\nthat md_do_sync() will be executed, hence stop_sync_thread() will hang\nbecause 'MD_RECOVERY_RUNNING' can't be cleared.\n\nLast patch make sure that md_do_sync() will set MD_RECOVERY_DONE,\nhowever, following hang can still be triggered by dm-raid test\nshell/lvconvert-raid-reshape.sh occasionally:\n\n[root@fedora ~]# cat /proc/1982/stack\n[<0>] stop_sync_thread+0x1ab/0x270 [md_mod]\n[<0>] md_frozen_sync_thread+0x5c/0xa0 [md_mod]\n[<0>] raid_presuspend+0x1e/0x70 [dm_raid]\n[<0>] dm_table_presuspend_targets+0x40/0xb0 [dm_mod]\n[<0>] __dm_destroy+0x2a5/0x310 [dm_mod]\n[<0>] dm_destroy+0x16/0x30 [dm_mod]\n[<0>] dev_remove+0x165/0x290 [dm_mod]\n[<0>] ctl_ioctl+0x4bb/0x7b0 [dm_mod]\n[<0>] dm_ctl_ioctl+0x11/0x20 [dm_mod]\n[<0>] vfs_ioctl+0x21/0x60\n[<0>] __x64_sys_ioctl+0xb9/0xe0\n[<0>] do_syscall_64+0xc6/0x230\n[<0>] entry_SYSCALL_64_after_hwframe+0x6c/0x74\n\nMeanwhile mddev->recovery is:\nMD_RECOVERY_RUNNING |\nMD_RECOVERY_INTR |\nMD_RECOVERY_RESHAPE |\nMD_RECOVERY_FROZEN\n\nFix this problem by remove the code to register sync_thread directly\nfrom raid10 and raid5. And let md_check_recovery() to register\nsync_thread."
                }
            ],
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/md.c",
                        "drivers/md/raid10.c",
                        "drivers/md/raid5.c"
                    ],
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                        "drivers/md/raid5.c"
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                        {
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                    "url": "https://git.kernel.org/stable/c/ad39c08186f8a0f221337985036ba86731d6aafe"
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            "title": "md: Don't register sync_thread for reshape directly",
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