{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-38598", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-18T19:36:34.932Z", "datePublished": "2024-06-19T13:45:47.309Z", "dateUpdated": "2024-09-11T17:34:54.427Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-15T06:48:47.356Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix resync softlockup when bitmap size is less than array size\n\nIs is reported that for dm-raid10, lvextend + lvchange --syncaction will\ntrigger following softlockup:\n\nkernel:watchdog: BUG: soft lockup - CPU#3 stuck for 26s! [mdX_resync:6976]\nCPU: 7 PID: 3588 Comm: mdX_resync Kdump: loaded Not tainted 6.9.0-rc4-next-20240419 #1\nRIP: 0010:_raw_spin_unlock_irq+0x13/0x30\nCall Trace:\n \n md_bitmap_start_sync+0x6b/0xf0\n raid10_sync_request+0x25c/0x1b40 [raid10]\n md_do_sync+0x64b/0x1020\n md_thread+0xa7/0x170\n kthread+0xcf/0x100\n ret_from_fork+0x30/0x50\n ret_from_fork_asm+0x1a/0x30\n\nAnd the detailed process is as follows:\n\nmd_do_sync\n j = mddev->resync_min\n while (j < max_sectors)\n sectors = raid10_sync_request(mddev, j, &skipped)\n if (!md_bitmap_start_sync(..., &sync_blocks))\n // md_bitmap_start_sync set sync_blocks to 0\n return sync_blocks + sectors_skippe;\n // sectors = 0;\n j += sectors;\n // j never change\n\nRoot cause is that commit 301867b1c168 (\"md/raid10: check\nslab-out-of-bounds in md_bitmap_get_counter\") return early from\nmd_bitmap_get_counter(), without setting returned blocks.\n\nFix this problem by always set returned blocks from\nmd_bitmap_get_counter\"(), as it used to be.\n\nNoted that this patch just fix the softlockup problem in kernel, the\ncase that bitmap size doesn't match array size still need to be fixed." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/md-bitmap.c" ], "versions": [ { "version": "374fb914304d", "lessThan": "d4b9c764d48f", "status": "affected", "versionType": "git" }, { "version": "b0b971fe7d61", "lessThan": "43771597feba", "status": "affected", "versionType": "git" }, { "version": "39fa14e824ac", "lessThan": "3f5b73ef8fd6", "status": "affected", "versionType": "git" }, { "version": "a134dd582c0d", "lessThan": "69296914bfd5", "status": "affected", "versionType": "git" }, { "version": "be1a3ec63a84", "lessThan": "71e8e4f288e7", "status": "affected", "versionType": "git" }, { "version": "301867b1c168", "lessThan": "c9566b812c8f", "status": "affected", "versionType": "git" }, { "version": "301867b1c168", "lessThan": "5817f43ae1a1", "status": "affected", "versionType": "git" }, { "version": "301867b1c168", "lessThan": "8bbc71315e0a", "status": "affected", "versionType": "git" }, { "version": "301867b1c168", "lessThan": "f0e729af2eb6", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/md-bitmap.c" ], "versions": [ { "version": "6.5", "status": "affected" }, { "version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.316", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.278", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.219", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.161", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.93", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.33", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.12", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.3", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/d4b9c764d48fa41caa24cfb4275f3aa9fb4bd798" }, { "url": "https://git.kernel.org/stable/c/43771597feba89a839c5f893716df88ae5c237ce" }, { "url": "https://git.kernel.org/stable/c/3f5b73ef8fd6268cbc968b308d8eafe56fda97f3" }, { "url": "https://git.kernel.org/stable/c/69296914bfd508c85935bf5f711cad9b0fe78492" }, { "url": "https://git.kernel.org/stable/c/71e8e4f288e74a896b6d9cd194f3bab12bd7a10f" }, { "url": "https://git.kernel.org/stable/c/c9566b812c8f66160466cc1e29df6d3646add0b1" }, { "url": "https://git.kernel.org/stable/c/5817f43ae1a118855676f57ef7ab50e37eac7482" }, { "url": "https://git.kernel.org/stable/c/8bbc71315e0ae4bb7e37f8d43b915e1cb01a481b" }, { "url": "https://git.kernel.org/stable/c/f0e729af2eb6bee9eb58c4df1087f14ebaefe26b" } ], "title": "md: fix resync softlockup when bitmap size is less than array size", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:12:26.038Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/d4b9c764d48fa41caa24cfb4275f3aa9fb4bd798", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/43771597feba89a839c5f893716df88ae5c237ce", "tags": [ "x_transferred" ] }, { "url": 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