225 lines
12 KiB
JSON
225 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-54130",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-12-24T13:02:52.521Z",
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"datePublished": "2025-12-24T13:06:47.502Z",
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"dateUpdated": "2026-08-05T09:17:31.074Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T09:17:31.074Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling\n\nCommit 55d1cbbbb29e (\"hfs/hfsplus: use WARN_ON for sanity check\") fixed\na build warning by turning a comment into a WARN_ON(), but it turns out\nthat syzbot then complains because it can trigger said warning with a\ncorrupted hfs image.\n\nThe warning actually does warn about a bad situation, but we are much\nbetter off just handling it as the error it is. So rather than warn\nabout us doing bad things, stop doing the bad things and return -EIO.\n\nWhile at it, also fix a memory leak that was introduced by an earlier\nfix for a similar syzbot warning situation, and add a check for one case\nthat historically wasn't handled at all (ie neither comment nor\nsubsequent WARN_ON)."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The vulnerability is reached only by mounting an attacker-crafted HFS filesystem image (removable media automount or loop-mounted file) and letting normal inode writeback run; there is no network-facing path to `hfs_write_inode`.\nAC:L - The attacker fully controls the B-tree node offset table that determines `fd.entryoffset`/`fd.entrylength`, so the short-record condition and the out-of-bounds offset are set deterministically in the image; no race or unpredictable state is involved.\nPR:L - A local unprivileged user triggers this by supplying an image that is mounted via the standard removable-media/automount path used to score the other hfs/hfsplus image-parsing CVEs; no elevated capability is needed by the attacker supplying the image.\nUI:N - Once the image is mounted, the vulnerable path executes automatically from generic writeback (dirty inode flush, sync, or umount) with no victim action required.\nS:U - The corruption stays within the kernel's own memory and security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `hfs_bnode_read()` copies 70/102 bytes from an attacker-chosen offset past the record and node into a stack union, and that data is subsequently written back into the page cache and reachable through the filesystem, giving out-of-bounds kernel memory disclosure.\nI:H - The unguarded `hfs_bnode_write()` performs a `memcpy_to_page()` of up to 102 bytes at an attacker-controlled offset with no bounds check, yielding an out-of-bounds heap write with partly controlled content — a corruption primitive usable for control-flow hijacking.\nA:H - The same out-of-bounds write reliably corrupts adjacent page-cache/heap memory causing oops or panic, and the unbalanced `hfs_find_init()` error path returns to userspace holding `cat_tree->tree_lock`, permanently deadlocking all further catalog operations on the mount."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/hfs/inode.c"
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],
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"versions": [
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{
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"version": "c886c10a6eddb99923b315f42bf63f448883ef9a",
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"lessThan": "cc2164ada548addfa8ee215196661c3afe0c5154",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30",
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"lessThan": "82725be426bce0a425cc5e26fbad61ffd29cff03",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "90103ccb6e60aa4efe48993d23d6a528472f2233",
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"lessThan": "da23752d9660ba7a8ca6c5768fd8776f67f59ee7",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4fd3a11804c8877ff11fec59c5c53f1635331e3e",
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"lessThan": "be01f35efa876eb81cebab2cb0add068b7280ef4",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "48d9e2e6de01ed35e965eb549758a837c07b601d",
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"lessThan": "f10defb0be6ac42fb6a97b45920d32da6bd6fde8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
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"lessThan": "90e019006644dad35862cb4aa270f561b0732066",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
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"lessThan": "45917be9f0af339a45b4619f31c902d37b8aed59",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "55d1cbbbb29e6656c662ee8f73ba1fc4777532eb",
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"lessThan": "cb7a95af78d29442b8294683eca4897544b8ef46",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "8c40f2dbae603ef0bd21e87c63f54ec59fd88256",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "367296925c7625c3969d2a78d7a3e1dee161beb5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4.9.337",
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"lessThan": "4.10",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/hfs/inode.c"
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],
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"versions": [
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{
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"version": "5.16",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.16",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.0.19",
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"lessThanOrEqual": "6.0.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.5",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.2",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.16",
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"versionEndExcluding": "6.0.19"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.16",
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"versionEndExcluding": "6.1.5"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.16",
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"versionEndExcluding": "6.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9.337"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/cc2164ada548addfa8ee215196661c3afe0c5154"
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},
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{
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"url": "https://git.kernel.org/stable/c/82725be426bce0a425cc5e26fbad61ffd29cff03"
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},
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{
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"url": "https://git.kernel.org/stable/c/da23752d9660ba7a8ca6c5768fd8776f67f59ee7"
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},
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{
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"url": "https://git.kernel.org/stable/c/be01f35efa876eb81cebab2cb0add068b7280ef4"
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},
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{
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"url": "https://git.kernel.org/stable/c/f10defb0be6ac42fb6a97b45920d32da6bd6fde8"
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},
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{
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"url": "https://git.kernel.org/stable/c/90e019006644dad35862cb4aa270f561b0732066"
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},
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{
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"url": "https://git.kernel.org/stable/c/45917be9f0af339a45b4619f31c902d37b8aed59"
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},
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{
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"url": "https://git.kernel.org/stable/c/cb7a95af78d29442b8294683eca4897544b8ef46"
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}
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],
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"title": "hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling",
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