{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-40088", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40088", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-10-30T09:47:57.333Z", "updatedAt": "2026-08-05T12:07:41.220Z", "importedAt": "2026-10-24T01:57:34.152Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "hfsplus: fix slab-out-of-bounds read in hfsplus_strcasecmp()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfsplus: fix slab-out-of-bounds read in hfsplus_strcasecmp()\n\nThe hfsplus_strcasecmp() logic can trigger the issue:\n\n[ 117.317703][ T9855] ==================================================================\n[ 117.318353][ T9855] BUG: KASAN: slab-out-of-bounds in hfsplus_strcasecmp+0x1bc/0x490\n[ 117.318991][ T9855] Read of size 2 at addr ffff88802160f40c by task repro/9855\n[ 117.319577][ T9855]\n[ 117.319773][ T9855] CPU: 0 UID: 0 PID: 9855 Comm: repro Not tainted 6.17.0-rc6 #33 PREEMPT(full)\n[ 117.319780][ T9855] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 117.319783][ T9855] Call Trace:\n[ 117.319785][ T9855] \n[ 117.319788][ T9855] dump_stack_lvl+0x1c1/0x2a0\n[ 117.319795][ T9855] ? __virt_addr_valid+0x1c8/0x5c0\n[ 117.319803][ T9855] ? __pfx_dump_stack_lvl+0x10/0x10\n[ 117.319808][ T9855] ? rcu_is_watching+0x15/0xb0\n[ 117.319816][ T9855] ? lock_release+0x4b/0x3e0\n[ 117.319821][ T9855] ? __kasan_check_byte+0x12/0x40\n[ 117.319828][ T9855] ? __virt_addr_valid+0x1c8/0x5c0\n[ 117.319835][ T9855] ? __virt_addr_valid+0x4a5/0x5c0\n[ 117.319842][ T9855] print_report+0x17e/0x7e0\n[ 117.319848][ T9855] ? __virt_addr_valid+0x1c8/0x5c0\n[ 117.319855][ T9855] ? __virt_addr_valid+0x4a5/0x5c0\n[ 117.319862][ T9855] ? __phys_addr+0xd3/0x180\n[ 117.319869][ T9855] ? hfsplus_strcasecmp+0x1bc/0x490\n[ 117.319876][ T9855] kasan_report+0x147/0x180\n[ 117.319882][ T9855] ? hfsplus_strcasecmp+0x1bc/0x490\n[ 117.319891][ T9855] hfsplus_strcasecmp+0x1bc/0x490\n[ 117.319900][ T9855] ? __pfx_hfsplus_cat_case_cmp_key+0x10/0x10\n[ 117.319906][ T9855] hfs_find_rec_by_key+0xa9/0x1e0\n[ 117.319913][ T9855] __hfsplus_brec_find+0x18e/0x470\n[ 117.319920][ T9855] ? __pfx_hfsplus_bnode_find+0x10/0x10\n[ 117.319926][ T9855] ? __pfx_hfs_find_rec_by_key+0x10/0x10\n[ 117.319933][ T9855] ? __pfx___hfsplus_brec_find+0x10/0x10\n[ 117.319942][ T9855] hfsplus_brec_find+0x28f/0x510\n[ 117.319949][ T9855] ? __pfx_hfs_find_rec_by_key+0x10/0x10\n[ 117.319956][ T9855] ? __pfx_hfsplus_brec_find+0x10/0x10\n[ 117.319963][ T9855] ? __kmalloc_noprof+0x2a9/0x510\n[ 117.319969][ T9855] ? hfsplus_find_init+0x8c/0x1d0\n[ 117.319976][ T9855] hfsplus_brec_read+0x2b/0x120\n[ 117.319983][ T9855] hfsplus_lookup+0x2aa/0x890\n[ 117.319990][ T9855] ? __pfx_hfsplus_lookup+0x10/0x10\n[ 117.320003][ T9855] ? d_alloc_parallel+0x2f0/0x15e0\n[ 117.320008][ T9855] ? __lock_acquire+0xaec/0xd80\n[ 117.320013][ T9855] ? __pfx_d_alloc_parallel+0x10/0x10\n[ 117.320019][ T9855] ? __raw_spin_lock_init+0x45/0x100\n[ 117.320026][ T9855] ? __init_waitqueue_head+0xa9/0x150\n[ 117.320034][ T9855] __lookup_slow+0x297/0x3d0\n[ 117.320039][ T9855] ? __pfx___lookup_slow+0x10/0x10\n[ 117.320045][ T9855] ? down_read+0x1ad/0x2e0\n[ 117.320055][ T9855] lookup_slow+0x53/0x70\n[ 117.320065][ T9855] walk_component+0x2f0/0x430\n[ 117.320073][ T9855] path_lookupat+0x169/0x440\n[ 117.320081][ T9855] filename_lookup+0x212/0x590\n[ 117.320089][ T9855] ? __pfx_filename_lookup+0x10/0x10\n[ 117.320098][ T9855] ? strncpy_from_user+0x150/0x290\n[ 117.320105][ T9855] ? getname_flags+0x1e5/0x540\n[ 117.320112][ T9855] user_path_at+0x3a/0x60\n[ 117.320117][ T9855] __x64_sys_umount+0xee/0x160\n[ 117.320123][ T9855] ? __pfx___x64_sys_umount+0x10/0x10\n[ 117.320129][ T9855] ? do_syscall_64+0xb7/0x3a0\n[ 117.320135][ T9855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f\n[ 117.320141][ T9855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f\n[ 117.320145][ T9855] do_syscall_64+0xf3/0x3a0\n[ 117.320150][ T9855] ? exc_page_fault+0x9f/0xf0\n[ 117.320154][ T9855] entry_SYSCALL_64_after_hwframe+0x77/0x7f\n[ 117.320158][ T9855] RIP: 0033:0x7f7dd7908b07\n[ 117.320163][ T9855] Code: 23 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 08\n[ 117.320167][ T9855] RSP: 002b:00007ffd5ebd9698 EFLAGS: 00000202 \n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "603158d4efa98a13a746bd586c20f194f4a31ec8" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "ef250c3edd995d7bb5a5e5122ffad1c28a8686eb" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "7ab44236b32ed41eb0636797e8e8e885a2f3b18a" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "b47a75b6f762321f9eb6f31aab7bce47a37063b7" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "4f5ab4a9c6abd8b0d713cc2b7b041bc10d70f241" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "586c75dfd1d265c4150f6529debb85c9d62e101f" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "4bc081ba6c52b0c88c92701e3fbc33c7e2277afb" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "42520df65bf67189541a425f7d36b0b3e7bd7844" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.12", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.12" }, { "version": "5.4.301", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.246", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.196", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.158", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.114", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.55", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.17.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.17.*" }, { "version": "6.18", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }