CVE-2023-53683

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There conditions are\nnot kernel bugs that can justify kernel to panic."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - Exploitation requires the crafted HFS+ image to be attached locally as a block/loop device and mounted, with the corrupt catalog record parsed by the local kernel. There is no network-facing path into the hfsplus catalog btree code.\nAC:L - The attacker fully authors the on-disk image, so `fd->entrylength` and `fd->entryoffset` are deterministic attacker-chosen u16 values from the record-offset table; no race, timing window, or uncontrollable memory layout is needed to reach the failed sanity check and the subsequent unbounded `hfs_bnode_read()`/`hfs_bnode_write()`.\nPR:L - Only ordinary local user access is required in the realistic scenario: an unprivileged logged-in user inserts an HFS+-formatted USB stick or SD card that udisks2/systemd automounts, and post-mount `hfsplus_cat_write_inode()` fires from normal writeback with no further privilege. This matches the scoring of the sibling fix CVE-2023-54130.\nUI:N - The attacker performs the mount themselves (or triggers automount by inserting their own media) and the write path is then reached automatically via inode writeback; no separate victim action is required.\nS:U - The out-of-bounds access and resulting corruption stay within the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Continuing past the failed length check makes `hfs_bnode_read()` index past `node->page[]` and dereference an adjacent-heap value as a `struct page *`, copying arbitrary kernel memory into the catalog entry, which is then exposed to userspace through `i_size`, uid/gid/mode, and `init_special_inode()` rdev.\nI:H - `hfsplus_cat_write_inode()` performs `hfs_bnode_write()` of a full 88/248-byte record at the unvalidated offset, giving an out-of-bounds kernel write (plus `set_page_dirty()` on a bogus pointer) with partially attacker-influenced contents \u2014 a corruption primitive usable for control-flow hijack, and at minimum silent metadata corruption.\nA:H - The `WARN_ON()` itself panics the kernel on `panic_on_warn=1` systems, and the wild `struct page *` dereference that follows reliably oopses or panics the kernel."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/hfsplus/inode.c"], "versions": [{"version": "f62f5ee63052324ad94dd05091743d9e09f72070", "lessThan": "61af77acd039ffd221bf7adf0dc95d0a4d377505", "status": "affected", "versionType": "git"}, {"version": "ab778439c6fa0071698b62a351f79d319fd72c53", "lessThan": "c074913b12db3632b11588b31bbfb0fa80a0a1c9", "status": "affected", "versionType": "git"}, {"version": "781fa141414ef18b52f15037497155f80bf0ecab", "lessThan": "a75d9211a07fed513c08c5d4861c4a36ac6a74fe", "status": "affected", "versionType": "git"}, {"version": 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"versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AF7207EA-C162-450C-AA30-DE558BD497E2", "versionEndExcluding": "4.14.316", "versionStartIncluding": "4.14.303", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CB7C806A-AE4E-471E-9614-A01625D268BE", "versionEndExcluding": "4.19.284", "versionStartIncluding": "4.19.270", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "76B9EF77-FF34-4AE4-A53B-EF1690C155BB", "versionEndExcluding": "5.4.244", "versionStartIncluding": "5.4.229", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "94570266-A638-4ABF-8867-9E4E9E02E3FC", 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hfsplus_cat_{read,write}_inode(), for\ncrafted filesystem image can contain bogus length. There conditions are\nnot kernel bugs that can justify kernel to panic."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nfs: hfsplus: eliminar WARN_ON() de hfsplus_cat_{read,write}_inode()\n\nsyzbot est\u00e1 activando WARN_ON() en hfsplus_cat_{read,write}_inode(), porque una imagen de sistema de archivos manipulada puede contener una longitud falsa. Estas condiciones no son errores del kernel que puedan justificar que el kernel entre en p\u00e1nico."}], "id": "CVE-2023-53683", "lastModified": "2026-10-28T20:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-10-07T16:15:52.530", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/37cab61a52d6f42b2d961c51bcf369f09e235fb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3a9d68d84b2e41ba3f2a727b36f035fad6800492"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/48960a503fcec76d3f72347b7e679dda08ca43be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/61af77acd039ffd221bf7adf0dc95d0a4d377505"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81b21c0f0138ff5a499eafc3eb0578ad2a99622c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a75d9211a07fed513c08c5d4861c4a36ac6a74fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c074913b12db3632b11588b31bbfb0fa80a0a1c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8daee66585897a4c90d937c91e762100237bff9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()", "id": "2402301", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402301"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53683", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53683\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53683\nhttps://lore.kernel.org/linux-cve-announce/2025100709-CVE-2023-53683-249f@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-10-08T13:35:37.170897+00:00", "updated": "2025-10-08T13:35:37.170923+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}