{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53791", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-08T23:58:35.274Z", "datePublished": "2025-12-09T00:00:48.301Z", "dateUpdated": "2025-12-09T00:00:48.301Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T00:00:48.301Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix warning for holder mismatch from export_rdev()\n\nCommit a1d767191096 (\"md: use mddev->external to select holder in\nexport_rdev()\") fix the problem that 'claim_rdev' is used for\nblkdev_get_by_dev() while 'rdev' is used for blkdev_put().\n\nHowever, if mddev->external is changed from 0 to 1, then 'rdev' is used\nfor blkdev_get_by_dev() while 'claim_rdev' is used for blkdev_put(). And\nthis problem can be reporduced reliably by following:\n\nNew file: mdadm/tests/23rdev-lifetime\n\ndevname=${dev0##*/}\ndevt=`cat /sys/block/$devname/dev`\npid=\"\"\nruntime=2\n\nclean_up_test() {\n pill -9 $pid\n echo clear > /sys/block/md0/md/array_state\n}\n\ntrap 'clean_up_test' EXIT\n\nadd_by_sysfs() {\n while true; do\n echo $devt > /sys/block/md0/md/new_dev\n done\n}\n\nremove_by_sysfs(){\n while true; do\n echo remove > /sys/block/md0/md/dev-${devname}/state\n done\n}\n\necho md0 > /sys/module/md_mod/parameters/new_array || die \"create md0 failed\"\n\nadd_by_sysfs &\npid=\"$pid $!\"\n\nremove_by_sysfs &\npid=\"$pid $!\"\n\nsleep $runtime\nexit 0\n\nTest cmd:\n\n./test --save-logs --logdir=/tmp/ --keep-going --dev=loop --tests=23rdev-lifetime\n\nTest result:\n\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 960 at block/bdev.c:618 blkdev_put+0x27c/0x330\nModules linked in: multipath md_mod loop\nCPU: 0 PID: 960 Comm: test Not tainted 6.5.0-rc2-00121-g01e55c376936-dirty #50\nRIP: 0010:blkdev_put+0x27c/0x330\nCall Trace:\n <TASK>\n export_rdev.isra.23+0x50/0xa0 [md_mod]\n mddev_unlock+0x19d/0x300 [md_mod]\n rdev_attr_store+0xec/0x190 [md_mod]\n sysfs_kf_write+0x52/0x70\n kernfs_fop_write_iter+0x19a/0x2a0\n vfs_write+0x3b5/0x770\n ksys_write+0x74/0x150\n __x64_sys_write+0x22/0x30\n do_syscall_64+0x40/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFix the problem by recording if 'rdev' is used as holder."}], "affected": [{"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/md.h"], "versions": [{"version": "a1d7671910965ca9f8f0377e7e3bfd1179fba4d8", "lessThan": "99fcd427178d0f58f5520f8f01df727f8eaeb2c7", "status": "affected", "versionType": "git"}, {"version": "a1d7671910965ca9f8f0377e7e3bfd1179fba4d8", "lessThan": "99892147f028d711f9d40fefad4f33632593864c", "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.c", "drivers/md/md.h"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.5", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "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": "6.5", "versionEndExcluding": "6.5.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/99fcd427178d0f58f5520f8f01df727f8eaeb2c7"}, {"url": "https://git.kernel.org/stable/c/99892147f028d711f9d40fefad4f33632593864c"}], "title": "md: fix warning for holder mismatch from export_rdev()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix warning for holder mismatch from export_rdev()\n\nCommit a1d767191096 (\"md: use mddev->external to select holder in\nexport_rdev()\") fix the problem that 'claim_rdev' is used for\nblkdev_get_by_dev() while 'rdev' is used for blkdev_put().\n\nHowever, if mddev->external is changed from 0 to 1, then 'rdev' is used\nfor blkdev_get_by_dev() while 'claim_rdev' is used for blkdev_put(). And\nthis problem can be reporduced reliably by following:\n\nNew file: mdadm/tests/23rdev-lifetime\n\ndevname=${dev0##*/}\ndevt=`cat /sys/block/$devname/dev`\npid=\"\"\nruntime=2\n\nclean_up_test() {\n pill -9 $pid\n echo clear > /sys/block/md0/md/array_state\n}\n\ntrap 'clean_up_test' EXIT\n\nadd_by_sysfs() {\n while true; do\n echo $devt > /sys/block/md0/md/new_dev\n done\n}\n\nremove_by_sysfs(){\n while true; do\n echo remove > /sys/block/md0/md/dev-${devname}/state\n done\n}\n\necho md0 > /sys/module/md_mod/parameters/new_array || die \"create md0 failed\"\n\nadd_by_sysfs &\npid=\"$pid $!\"\n\nremove_by_sysfs &\npid=\"$pid $!\"\n\nsleep $runtime\nexit 0\n\nTest cmd:\n\n./test --save-logs --logdir=/tmp/ --keep-going --dev=loop --tests=23rdev-lifetime\n\nTest result:\n\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 960 at block/bdev.c:618 blkdev_put+0x27c/0x330\nModules linked in: multipath md_mod loop\nCPU: 0 PID: 960 Comm: test Not tainted 6.5.0-rc2-00121-g01e55c376936-dirty #50\nRIP: 0010:blkdev_put+0x27c/0x330\nCall Trace:\n <TASK>\n export_rdev.isra.23+0x50/0xa0 [md_mod]\n mddev_unlock+0x19d/0x300 [md_mod]\n rdev_attr_store+0xec/0x190 [md_mod]\n sysfs_kf_write+0x52/0x70\n kernfs_fop_write_iter+0x19a/0x2a0\n vfs_write+0x3b5/0x770\n ksys_write+0x74/0x150\n __x64_sys_write+0x22/0x30\n do_syscall_64+0x40/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFix the problem by recording if 'rdev' is used as holder."}], "id": "CVE-2023-53791", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T01:16:50.570", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99892147f028d711f9d40fefad4f33632593864c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99fcd427178d0f58f5520f8f01df727f8eaeb2c7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: md: fix warning for holder mismatch from export_rdev()", "id": "2420251", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420251"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd: fix warning for holder mismatch from export_rdev()\nCommit a1d767191096 (\"md: use mddev->external to select holder in\nexport_rdev()\") fix the problem that 'claim_rdev' is used for\nblkdev_get_by_dev() while 'rdev' is used for blkdev_put().\nHowever, if mddev->external is changed from 0 to 1, then 'rdev' is used\nfor blkdev_get_by_dev() while 'claim_rdev' is used for blkdev_put(). And\nthis problem can be reporduced reliably by following:\nNew file: mdadm/tests/23rdev-lifetime\ndevname=${dev0##*/}\ndevt=`cat /sys/block/$devname/dev`\npid=\"\"\nruntime=2\nclean_up_test() {\npill -9 $pid\necho clear > /sys/block/md0/md/array_state\n}\ntrap 'clean_up_test' EXIT\nadd_by_sysfs() {\nwhile true; do\necho $devt > /sys/block/md0/md/new_dev\ndone\n}\nremove_by_sysfs(){\nwhile true; do\necho remove > /sys/block/md0/md/dev-${devname}/state\ndone\n}\necho md0 > /sys/module/md_mod/parameters/new_array || die \"create md0 failed\"\nadd_by_sysfs &\npid=\"$pid $!\"\nremove_by_sysfs &\npid=\"$pid $!\"\nsleep $runtime\nexit 0\nTest cmd:\n./test --save-logs --logdir=/tmp/ --keep-going --dev=loop --tests=23rdev-lifetime\nTest result:\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 960 at block/bdev.c:618 blkdev_put+0x27c/0x330\nModules linked in: multipath md_mod loop\nCPU: 0 PID: 960 Comm: test Not tainted 6.5.0-rc2-00121-g01e55c376936-dirty #50\nRIP: 0010:blkdev_put+0x27c/0x330\nCall Trace:\n<TASK>\nexport_rdev.isra.23+0x50/0xa0 [md_mod]\nmddev_unlock+0x19d/0x300 [md_mod]\nrdev_attr_store+0xec/0x190 [md_mod]\nsysfs_kf_write+0x52/0x70\nkernfs_fop_write_iter+0x19a/0x2a0\nvfs_write+0x3b5/0x770\nksys_write+0x74/0x150\n__x64_sys_write+0x22/0x30\ndo_syscall_64+0x40/0x90\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\nFix the problem by recording if 'rdev' is used as holder."], "name": "CVE-2023-53791", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53791\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53791\nhttps://lore.kernel.org/linux-cve-announce/2025120941-CVE-2023-53791-a2ea@gregkh/T"], "threat_severity": "Moderate"}