CVE-2024-41014

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Because umount will ensure that tail_blk and\n head_blk are the same, which will result in the inability to enter\n xlog_recover_process_data\n 3) Write a tool to parse and modify the copied image in step 2\n 4) Make the end of the xlog_op_header entries only 1 byte away from\n xlog_rec_header->h_size\n 5) xlog_rec_header->h_num_logops++\n 6) Modify xlog_rec_header->h_crc\n\nFix:\nAdd a check to make sure there is sufficient space to access fixed members\nof xlog_op_header."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable code is only reached through XFS log recovery at mount time (`xfs_log_mount()` \u2192 `xlog_recover()` \u2192 `xlog_do_recovery_pass()`), which requires the crafted filesystem image to be presented locally as a block device or loop-mounted file. There is no network-facing path to `xlog_recover_process_data()`.\nAC:L - The attacker fully controls the on-disk log: placing the final `xlog_op_header` one byte short of `h_len`, incrementing `h_num_logops`, and recomputing `h_crc` makes the overrun fire deterministically on every mount, with no race or memory-layout condition outside attacker control.\nPR:N - The attacker needs no account or privilege on the target system \u2014 they only supply the malicious image (e.g. a USB stick or disk image), and the mount is performed by the victim or by an automounter such as udisks2/systemd on a desktop or kiosk.\nUI:R - Exploitation requires a separate party to mount the crafted XFS filesystem, since `xfs_fs_type` lacks `FS_USERNS_MOUNT` and mounting needs CAP_SYS_ADMIN in the initial user namespace or an automounter acting for a physically present user.\nS:U - The out-of-bounds read and its consequences are confined to the kernel's own memory and the mounting kernel's security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Up to 11 bytes of kernel heap memory adjacent to the `kvzalloc()`ed log buffer are read out of bounds, and `xlog_recover_process_ophdr()` then emits those bytes into the kernel log via `xfs_warn(\"bad clientid 0x%x\")`/`(\"bad length 0x%x\")`, disclosing adjacent heap contents.\nI:N - There is no out-of-bounds write, and because `dp > end` after the overrun the `dp + len > end` check in `xlog_recover_process_ophdr()` unconditionally returns `-EFSCORRUPTED` before any of the OOB-derived values (`oh_tid`, `oh_flags`) are used, so no kernel or filesystem state is modified.\nA:H - If the log buffer came from the `kvzalloc()` vmalloc fallback, the read crosses into the guard page and oopses the mounting task with recovery locks held; additionally the path executes `WARN_ON(1)` (panic on `panic_on_warn` systems) and `ASSERT(0)`/`ASSERT(dp <= end)` panics on `CONFIG_XFS_ASSERT_FATAL` builds."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/xfs_log_recover.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d1e3efe783365db59da88f08a2e0bfe1cc95b143", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7cd9f0a33e738cd58876f1bc8d6c1aa5bc4fc8c1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "fb63435b7c7dc112b1ae1baea5486e0a6e27b196", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/xfs_log_recover.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "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": "2.6.12", "versionEndExcluding": "6.1.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d1e3efe783365db59da88f08a2e0bfe1cc95b143"}, {"url": "https://git.kernel.org/stable/c/7cd9f0a33e738cd58876f1bc8d6c1aa5bc4fc8c1"}, {"url": "https://git.kernel.org/stable/c/fb63435b7c7dc112b1ae1baea5486e0a6e27b196"}], "title": "xfs: add bounds checking to xlog_recover_process_data", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/fb63435b7c7dc112b1ae1baea5486e0a6e27b196", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:38:27.100Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-41014", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:24:49.673152Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:05.954Z"}}]}}

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Because umount will ensure that tail_blk and\n head_blk are the same, which will result in the inability to enter\n xlog_recover_process_data\n 3) Write a tool to parse and modify the copied image in step 2\n 4) Make the end of the xlog_op_header entries only 1 byte away from\n xlog_rec_header->h_size\n 5) xlog_rec_header->h_num_logops++\n 6) Modify xlog_rec_header->h_crc\n\nFix:\nAdd a check to make sure there is sufficient space to access fixed members\nof xlog_op_header."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xfs: agregar verificaci\u00f3n de l\u00edmites a xlog_recover_process_data Falta verificaci\u00f3n del espacio ocupado por los miembros fijos de xlog_op_header en xlog_recover_process_data. Podemos crear una imagen manipulada para activar una lectura fuera de los l\u00edmites siguiendo estos pasos: 1) Montar una imagen de xfs y realizar algunas operaciones de archivo para dejar registros 2) Antes de desmontar, copie la imagen para los pasos posteriores para simular una salida anormal. Porque umount garantizar\u00e1 que tail_blk y head_blk sean iguales, lo que resultar\u00e1 en la imposibilidad de ingresar xlog_recover_process_data 3) Escriba una herramienta para analizar y modificar la imagen copiada en el paso 2 4) Haga que el final de las entradas xlog_op_header est\u00e9 a solo 1 byte de distancia xlog_rec_header-&gt;h_size 5) xlog_rec_header-&gt;h_num_logops++ 6) Modificar xlog_rec_header-&gt;h_crc Soluci\u00f3n: agregue una marca para asegurarse de que haya suficiente espacio para acceder a los miembros fijos de xlog_op_header."}], "id": "CVE-2024-41014", "lastModified": "2026-08-04T11:19:16.947", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-41014", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:24:49.673152Z", "version": "2.0.3"}}]}, "published": "2024-07-29T07:15:05.810", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/7cd9f0a33e738cd58876f1bc8d6c1aa5bc4fc8c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/d1e3efe783365db59da88f08a2e0bfe1cc95b143"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/fb63435b7c7dc112b1ae1baea5486e0a6e27b196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/fb63435b7c7dc112b1ae1baea5486e0a6e27b196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2024-09-04T00:00:00Z"}, {"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2024-09-04T00:00:00Z"}, {"advisory": "RHSA-2024:6297", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kernel-0:4.18.0-372.121.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2024-09-04T00:00:00Z"}, {"advisory": "RHSA-2024:10262", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.81.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-11-26T00:00:00Z"}, {"advisory": "RHSA-2024:8617", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.42.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-30T00:00:00Z"}, {"advisory": "RHSA-2024:8617", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.42.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-30T00:00:00Z"}, {"advisory": "RHSA-2024:10772", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.95.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}, {"advisory": "RHSA-2024:10773", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.95.1.rt14.380.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: xfs: add bounds checking to xlog_recover_process_data", "id": "2300297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300297"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxfs: add bounds checking to xlog_recover_process_data\nThere is a lack of verification of the space occupied by fixed members\nof xlog_op_header in the xlog_recover_process_data.\nWe can create a crafted image to trigger an out of bounds read by\nfollowing these steps:\n1) Mount an image of xfs, and do some file operations to leave records\n2) Before umounting, copy the image for subsequent steps to simulate\nabnormal exit. Because umount will ensure that tail_blk and\nhead_blk are the same, which will result in the inability to enter\nxlog_recover_process_data\n3) Write a tool to parse and modify the copied image in step 2\n4) Make the end of the xlog_op_header entries only 1 byte away from\nxlog_rec_header->h_size\n5) xlog_rec_header->h_num_logops++\n6) Modify xlog_rec_header->h_crc\nFix:\nAdd a check to make sure there is sufficient space to access fixed members\nof xlog_op_header.", "A vulnerability has been identified within the Linux kernel's xlog_recover_process_data() function. Specifically, the function lacks proper bounds checking on the space allocated for the fixed members of the xlog_op_header structure during log record processing. This omission can lead to an out-of-bounds memory access.\nThe potential impact of this flaw includes unpredictable system behavior and kernel-level crashes. Successful exploitation could disrupt system availability and potentially be leveraged for further malicious activities, depending on the context and any subsequent vulnerabilities exposed by the undefined behavior."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-41014", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41014\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41014\nhttps://lore.kernel.org/linux-cve-announce/2024072910-CVE-2024-41014-9186@gregkh/T"], "statement": "Within regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting this CWE-125 (Out-of-bounds Read) vulnerability, justifying a severity downgrade from Moderate to Low.\nThe use of baseline configurations, change control, and configuration settings within the platform enforces secure system configurations, patch management, and proper runtime settings, which helps prevent the introduction of memory handling issues through insecure defaults, unpatched components, and misconfigurations. Specifically, the use of process isolation and memory protection ensures memory integrity by isolating processes and enforcing memory protection mechanisms that limit an attacker's ability to exploit or read memory. System monitoring controls provide an additional layer of protection in the detection of anomalous behavior and unauthorized memory-related access.", "threat_severity": "Moderate"}

{}