{"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"}}}}