{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45960", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.089Z", "datePublished": "2026-05-27T12:18:16.851Z", "dateUpdated": "2026-05-27T12:18:16.851Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:18:16.851Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfsplus: return error when node already exists in hfs_bnode_create\n\nWhen hfs_bnode_create() finds that a node is already hashed (which should\nnot happen in normal operation), it currently returns the existing node\nwithout incrementing its reference count. This causes a reference count\ninconsistency that leads to a kernel panic when the node is later freed\nin hfs_bnode_put():\n\n kernel BUG at fs/hfsplus/bnode.c:676!\n BUG_ON(!atomic_read(&node->refcnt))\n\nThis scenario can occur when hfs_bmap_alloc() attempts to allocate a node\nthat is already in use (e.g., when node 0's bitmap bit is incorrectly\nunset), or due to filesystem corruption.\n\nReturning an existing node from a create path is not normal operation.\n\nFix this by returning ERR_PTR(-EEXIST) instead of the node when it's\nalready hashed. This properly signals the error condition to callers,\nwhich already check for IS_ERR() return values."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/hfsplus/bnode.c"], "versions": [{"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "1ca428769cb4737a25bd32fb4d1573cc09eeaeef", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "507a1de58c21c95ad7c44afccaf1222d1c42246b", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "986455135b95f32c1f142068e451098fc751749e", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "7b57ada854b32310f224abd61bcfec2d5790ff0a", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "51838112d9c22502333c3085ca0c0d691e7093c6", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "2e6ff6a6fc69cc17ed10c9cb6242935d52acd52d", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "2e9185a42e0e237c74435fd092b7c34537c62156", "status": "affected", "versionType": "git"}, {"version": "634725a92938b0f282b17cec0b007dca77adebd2", "lessThan": "d8a73cc46c8462a969a7516131feb3096f4c49d3", "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/hfsplus/bnode.c"], "versions": [{"version": "2.6.16", "status": "affected"}, {"version": "0", "lessThan": "2.6.16", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "2.6.16", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1ca428769cb4737a25bd32fb4d1573cc09eeaeef"}, {"url": "https://git.kernel.org/stable/c/507a1de58c21c95ad7c44afccaf1222d1c42246b"}, {"url": "https://git.kernel.org/stable/c/986455135b95f32c1f142068e451098fc751749e"}, {"url": "https://git.kernel.org/stable/c/7b57ada854b32310f224abd61bcfec2d5790ff0a"}, {"url": "https://git.kernel.org/stable/c/51838112d9c22502333c3085ca0c0d691e7093c6"}, {"url": "https://git.kernel.org/stable/c/2e6ff6a6fc69cc17ed10c9cb6242935d52acd52d"}, {"url": "https://git.kernel.org/stable/c/2e9185a42e0e237c74435fd092b7c34537c62156"}, {"url": "https://git.kernel.org/stable/c/d8a73cc46c8462a969a7516131feb3096f4c49d3"}], "title": "hfsplus: return error when node already exists in hfs_bnode_create", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfsplus: return error when node already exists in hfs_bnode_create\n\nWhen hfs_bnode_create() finds that a node is already hashed (which should\nnot happen in normal operation), it currently returns the existing node\nwithout incrementing its reference count. This causes a reference count\ninconsistency that leads to a kernel panic when the node is later freed\nin hfs_bnode_put():\n\n kernel BUG at fs/hfsplus/bnode.c:676!\n BUG_ON(!atomic_read(&node->refcnt))\n\nThis scenario can occur when hfs_bmap_alloc() attempts to allocate a node\nthat is already in use (e.g., when node 0's bitmap bit is incorrectly\nunset), or due to filesystem corruption.\n\nReturning an existing node from a create path is not normal operation.\n\nFix this by returning ERR_PTR(-EEXIST) instead of the node when it's\nalready hashed. This properly signals the error condition to callers,\nwhich already check for IS_ERR() return values."}], "id": "CVE-2026-45960", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:12.650", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ca428769cb4737a25bd32fb4d1573cc09eeaeef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e6ff6a6fc69cc17ed10c9cb6242935d52acd52d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e9185a42e0e237c74435fd092b7c34537c62156"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/507a1de58c21c95ad7c44afccaf1222d1c42246b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51838112d9c22502333c3085ca0c0d691e7093c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7b57ada854b32310f224abd61bcfec2d5790ff0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/986455135b95f32c1f142068e451098fc751749e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8a73cc46c8462a969a7516131feb3096f4c49d3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: hfsplus: return error when node already exists in hfs_bnode_create", "id": "2482018", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482018"}, "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"}, "cwe": "CWE-911", "details": ["A flaw was found in the Linux kernel's hfsplus filesystem. When the `hfs_bnode_create()` function attempts to create a node that already exists, it returns the existing node without properly incrementing its reference count. This can occur due to filesystem corruption or when a node is incorrectly marked as available. This inconsistency can lead to a kernel panic, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-45960", "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"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45960\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45960\nhttps://lore.kernel.org/linux-cve-announce/2026052733-CVE-2026-45960-ff23@gregkh/T"], "threat_severity": "Moderate"}