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vuln-cve/data/2023/53xxx/CVE-2023-53683.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53683",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-10-07T15:16:59.664Z",
"datePublished": "2025-10-07T15:21:36.715Z",
"dateUpdated": "2026-08-05T09:15:32.980Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-05T09:15:32.980Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()\n\nsyzbot is hitting WARN_ON() in 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."
}
],
"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 — 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": "1f881d9201f6e0a917004a14329f9ff3d0bfa1e5",
"lessThan": "c8daee66585897a4c90d937c91e762100237bff9",
"status": "affected",
"versionType": "git"
},
{
"version": "48d9e2e6de01ed35e965eb549758a837c07b601d",
"lessThan": "37cab61a52d6f42b2d961c51bcf369f09e235fb5",
"status": "affected",
"versionType": "git"
},
{
"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
"lessThan": "48960a503fcec76d3f72347b7e679dda08ca43be",
"status": "affected",
"versionType": "git"
},
{
"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
"lessThan": "3a9d68d84b2e41ba3f2a727b36f035fad6800492",
"status": "affected",
"versionType": "git"
},
{
"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
"lessThan": "81b21c0f0138ff5a499eafc3eb0578ad2a99622c",
"status": "affected",
"versionType": "git"
},
{
"version": "4.14.303",
"lessThan": "4.14.316",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.270",
"lessThan": "4.19.284",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.4.229",
"lessThan": "5.4.244",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.10.163",
"lessThan": "5.10.181",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.15.87",
"lessThan": "5.15.113",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/hfsplus/inode.c"
],
"versions": [
{
"version": "5.16",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.16",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.316",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.284",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.244",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.181",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.113",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.30",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3.4",
"lessThanOrEqual": "6.3.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4",
"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": "4.14.303",
"versionEndExcluding": "4.14.316"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.270",
"versionEndExcluding": "4.19.284"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.229",
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},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.163",
"versionEndExcluding": "5.10.181"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.87",
"versionEndExcluding": "5.15.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
"versionEndExcluding": "6.1.30"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
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}
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]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/61af77acd039ffd221bf7adf0dc95d0a4d377505"
},
{
"url": "https://git.kernel.org/stable/c/c074913b12db3632b11588b31bbfb0fa80a0a1c9"
},
{
"url": "https://git.kernel.org/stable/c/a75d9211a07fed513c08c5d4861c4a36ac6a74fe"
},
{
"url": "https://git.kernel.org/stable/c/c8daee66585897a4c90d937c91e762100237bff9"
},
{
"url": "https://git.kernel.org/stable/c/37cab61a52d6f42b2d961c51bcf369f09e235fb5"
},
{
"url": "https://git.kernel.org/stable/c/48960a503fcec76d3f72347b7e679dda08ca43be"
},
{
"url": "https://git.kernel.org/stable/c/3a9d68d84b2e41ba3f2a727b36f035fad6800492"
},
{
"url": "https://git.kernel.org/stable/c/81b21c0f0138ff5a499eafc3eb0578ad2a99622c"
}
],
"title": "fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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