{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53848", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.827Z", "datePublished": "2025-12-09T01:30:11.895Z", "dateUpdated": "2025-12-09T01:30:11.895Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T01:30:11.895Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-cache: fix a deadlock in r5l_exit_log()\n\nCommit b13015af94cf (\"md/raid5-cache: Clear conf->log after finishing\nwork\") introduce a new problem:\n\n// caller hold reconfig_mutex\nr5l_exit_log\n flush_work(&log->disable_writeback_work)\n\t\t\tr5c_disable_writeback_async\n\t\t\t wait_event\n\t\t\t /*\n\t\t\t * conf->log is not NULL, and mddev_trylock()\n\t\t\t * will fail, wait_event() can never pass.\n\t\t\t */\n conf->log = NULL\n\nFix this problem by setting 'config->log' to NULL before wake_up() as it\nused to be, so that wait_event() from r5c_disable_writeback_async() can\nexist. In the meantime, move forward md_unregister_thread() so that\nnull-ptr-deref this commit fixed can still 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/raid5-cache.c"], "versions": [{"version": "b13015af94cf405f73ff64ce0797269554020c37", "lessThan": "ac9e103f282a7854f3274ef5ff0742fbbe8d7d6b", "status": "affected", "versionType": "git"}, {"version": "b13015af94cf405f73ff64ce0797269554020c37", "lessThan": "71cf23271f015a57038bdc4669952096f9fe5500", "status": "affected", "versionType": "git"}, {"version": "b13015af94cf405f73ff64ce0797269554020c37", "lessThan": "c406984738215dc20ac2dc63e49d70f20797730e", "status": "affected", "versionType": "git"}, {"version": "b13015af94cf405f73ff64ce0797269554020c37", "lessThan": "a705b11b358dee677aad80630e7608b2d5f56691", "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/raid5-cache.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.53", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.16", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "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": "6.0", "versionEndExcluding": "6.1.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.4.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ac9e103f282a7854f3274ef5ff0742fbbe8d7d6b"}, {"url": "https://git.kernel.org/stable/c/71cf23271f015a57038bdc4669952096f9fe5500"}, {"url": "https://git.kernel.org/stable/c/c406984738215dc20ac2dc63e49d70f20797730e"}, {"url": "https://git.kernel.org/stable/c/a705b11b358dee677aad80630e7608b2d5f56691"}], "title": "md/raid5-cache: fix a deadlock in r5l_exit_log()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-cache: fix a deadlock in r5l_exit_log()\n\nCommit b13015af94cf (\"md/raid5-cache: Clear conf->log after finishing\nwork\") introduce a new problem:\n\n// caller hold reconfig_mutex\nr5l_exit_log\n flush_work(&log->disable_writeback_work)\n\t\t\tr5c_disable_writeback_async\n\t\t\t wait_event\n\t\t\t /*\n\t\t\t * conf->log is not NULL, and mddev_trylock()\n\t\t\t * will fail, wait_event() can never pass.\n\t\t\t */\n conf->log = NULL\n\nFix this problem by setting 'config->log' to NULL before wake_up() as it\nused to be, so that wait_event() from r5c_disable_writeback_async() can\nexist. In the meantime, move forward md_unregister_thread() so that\nnull-ptr-deref this commit fixed can still be fixed."}], "id": "CVE-2023-53848", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T16:17:25.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/71cf23271f015a57038bdc4669952096f9fe5500"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a705b11b358dee677aad80630e7608b2d5f56691"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac9e103f282a7854f3274ef5ff0742fbbe8d7d6b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c406984738215dc20ac2dc63e49d70f20797730e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: md/raid5-cache: fix a deadlock in r5l_exit_log()", "id": "2420331", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420331"}, "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": ["No description is available for this CVE."], "name": "CVE-2023-53848", "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": "Not affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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-2023-53848\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53848\nhttps://lore.kernel.org/linux-cve-announce/2025120900-CVE-2023-53848-8cd8@gregkh/T"], "threat_severity": "Moderate"}