{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-37742", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.936Z", "datePublished": "2025-05-01T12:55:50.603Z", "dateUpdated": "2025-05-26T05:19:54.853Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:19:54.853Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uninit-value access of imap allocated in the diMount() function\n\nsyzbot reports that hex_dump_to_buffer is using uninit-value:\n\n=====================================================\nBUG: KMSAN: uninit-value in hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nhex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nprint_hex_dump+0x13d/0x3e0 lib/hexdump.c:276\ndiFree+0x5ba/0x4350 fs/jfs/jfs_imap.c:876\njfs_evict_inode+0x510/0x550 fs/jfs/inode.c:156\nevict+0x723/0xd10 fs/inode.c:796\niput_final fs/inode.c:1946 [inline]\niput+0x97b/0xdb0 fs/inode.c:1972\ntxUpdateMap+0xf3e/0x1150 fs/jfs/jfs_txnmgr.c:2367\ntxLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\njfs_lazycommit+0x627/0x11d0 fs/jfs/jfs_txnmgr.c:2733\nkthread+0x6b9/0xef0 kernel/kthread.c:464\nret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nUninit was created at:\nslab_post_alloc_hook mm/slub.c:4121 [inline]\nslab_alloc_node mm/slub.c:4164 [inline]\n__kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320\nkmalloc_noprof include/linux/slab.h:901 [inline]\ndiMount+0x61/0x7f0 fs/jfs/jfs_imap.c:105\njfs_mount+0xa8e/0x11d0 fs/jfs/jfs_mount.c:176\njfs_fill_super+0xa47/0x17c0 fs/jfs/super.c:523\nget_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636\nget_tree_bdev+0x37/0x50 fs/super.c:1659\njfs_get_tree+0x34/0x40 fs/jfs/super.c:635\nvfs_get_tree+0xb1/0x5a0 fs/super.c:1814\ndo_new_mount+0x71f/0x15e0 fs/namespace.c:3560\npath_mount+0x742/0x1f10 fs/namespace.c:3887\ndo_mount fs/namespace.c:3900 [inline]\n__do_sys_mount fs/namespace.c:4111 [inline]\n__se_sys_mount+0x71f/0x800 fs/namespace.c:4088\n__x64_sys_mount+0xe4/0x150 fs/namespace.c:4088\nx64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\n=====================================================\n\nThe reason is that imap is not properly initialized after memory\nallocation. It will cause the snprintf() function to write uninitialized\ndata into linebuf within hex_dump_to_buffer().\n\nFix this by using kzalloc instead of kmalloc to clear its content at the\nbeginning in diMount()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jfs/jfs_imap.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4f10732712fce33e53703ffe5ed9155f23814097", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cab1852368dd74d629ee02abdbc559218ca64dde", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "067347e00a3a7d04afed93f080c6c131e5dd15ee", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "63148ce4904faa668daffdd1d3c1199ae315ef2c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7057f3aab47629d38e54eae83505813cf0da1e4b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d0d7eca253ccd0619b3d2b683ffe32218ebca9ac", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9629d7d66c621671d9a47afe27ca9336bfc8a9ea", "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/jfs/jfs_imap.c"], "versions": [{"version": "5.15.181", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.135", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.88", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.24", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.12", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.3", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.181"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.135"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.13.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.14.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4f10732712fce33e53703ffe5ed9155f23814097"}, {"url": "https://git.kernel.org/stable/c/cab1852368dd74d629ee02abdbc559218ca64dde"}, {"url": "https://git.kernel.org/stable/c/067347e00a3a7d04afed93f080c6c131e5dd15ee"}, {"url": "https://git.kernel.org/stable/c/63148ce4904faa668daffdd1d3c1199ae315ef2c"}, {"url": "https://git.kernel.org/stable/c/7057f3aab47629d38e54eae83505813cf0da1e4b"}, {"url": "https://git.kernel.org/stable/c/d0d7eca253ccd0619b3d2b683ffe32218ebca9ac"}, {"url": "https://git.kernel.org/stable/c/9629d7d66c621671d9a47afe27ca9336bfc8a9ea"}], "title": "jfs: Fix uninit-value access of imap allocated in the diMount() function", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uninit-value access of imap allocated in the diMount() function\n\nsyzbot reports that hex_dump_to_buffer is using uninit-value:\n\n=====================================================\nBUG: KMSAN: uninit-value in hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nhex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nprint_hex_dump+0x13d/0x3e0 lib/hexdump.c:276\ndiFree+0x5ba/0x4350 fs/jfs/jfs_imap.c:876\njfs_evict_inode+0x510/0x550 fs/jfs/inode.c:156\nevict+0x723/0xd10 fs/inode.c:796\niput_final fs/inode.c:1946 [inline]\niput+0x97b/0xdb0 fs/inode.c:1972\ntxUpdateMap+0xf3e/0x1150 fs/jfs/jfs_txnmgr.c:2367\ntxLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\njfs_lazycommit+0x627/0x11d0 fs/jfs/jfs_txnmgr.c:2733\nkthread+0x6b9/0xef0 kernel/kthread.c:464\nret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\nUninit was created at:\nslab_post_alloc_hook mm/slub.c:4121 [inline]\nslab_alloc_node mm/slub.c:4164 [inline]\n__kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320\nkmalloc_noprof include/linux/slab.h:901 [inline]\ndiMount+0x61/0x7f0 fs/jfs/jfs_imap.c:105\njfs_mount+0xa8e/0x11d0 fs/jfs/jfs_mount.c:176\njfs_fill_super+0xa47/0x17c0 fs/jfs/super.c:523\nget_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636\nget_tree_bdev+0x37/0x50 fs/super.c:1659\njfs_get_tree+0x34/0x40 fs/jfs/super.c:635\nvfs_get_tree+0xb1/0x5a0 fs/super.c:1814\ndo_new_mount+0x71f/0x15e0 fs/namespace.c:3560\npath_mount+0x742/0x1f10 fs/namespace.c:3887\ndo_mount fs/namespace.c:3900 [inline]\n__do_sys_mount fs/namespace.c:4111 [inline]\n__se_sys_mount+0x71f/0x800 fs/namespace.c:4088\n__x64_sys_mount+0xe4/0x150 fs/namespace.c:4088\nx64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\n=====================================================\n\nThe reason is that imap is not properly initialized after memory\nallocation. It will cause the snprintf() function to write uninitialized\ndata into linebuf within hex_dump_to_buffer().\n\nFix this by using kzalloc instead of kmalloc to clear its content at the\nbeginning in diMount()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jfs: Se corrige el acceso a un valor no inicializado de imap asignado en la funci\u00f3n diMount() syzbot informa que hex_dump_to_buffer est\u00e1 usando un valor no inicializado: ======================================================== ERROR: KMSAN: un valor no inicializado en hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171 hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171 print_hex_dump+0x13d/0x3e0 lib/hexdump.c:276 diFree+0x5ba/0x4350 fs/jfs/jfs_imap.c:876 jfs_evict_inode+0x510/0x550 fs/jfs/inode.c:156 evict+0x723/0xd10 fs/inode.c:796 iput_final fs/inode.c:1946 [en l\u00ednea] iput+0x97b/0xdb0 fs/inode.c:1972 txUpdateMap+0xf3e/0x1150 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [en l\u00ednea] jfs_lazycommit+0x627/0x11d0 fs/jfs/jfs_txnmgr.c:2733 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit se cre\u00f3 en: slab_post_alloc_hook mm/slub.c:4121 [en l\u00ednea] slab_alloc_node mm/slub.c:4164 [en l\u00ednea] __kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [en l\u00ednea] diMount+0x61/0x7f0 fs/jfs/jfs_imap.c:105 jfs_mount+0xa8e/0x11d0 fs/jfs/jfs_mount.c:176 jfs_fill_super+0xa47/0x17c0 fs/jfs/super.c:523 obtener_\u00e1rbol_bdev_flags+0x6ec/0x910 fs/super.c:1636 obtener_\u00e1rbol_bdev+0x37/0x50 fs/super.c:1659 jfs_obtener_\u00e1rbol+0x34/0x40 fs/jfs/super.c:635 vfs_obtener_\u00e1rbol+0xb1/0x5a0 fs/super.c:1814 hacer_nuevo_montaje+0x71f/0x15e0 fs/espacio_de_nombres.c:3560 path_mount+0x742/0x1f10 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [en l\u00ednea] __do_sys_mount fs/namespace.c:4111 [en l\u00ednea] __se_sys_mount+0x71f/0x800 fs/namespace.c:4088 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4088 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f == ..."}], "id": "CVE-2025-37742", "lastModified": "2025-05-02T13:53:20.943", "metrics": {}, "published": "2025-05-01T13:15:52.870", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/067347e00a3a7d04afed93f080c6c131e5dd15ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f10732712fce33e53703ffe5ed9155f23814097"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63148ce4904faa668daffdd1d3c1199ae315ef2c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7057f3aab47629d38e54eae83505813cf0da1e4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9629d7d66c621671d9a47afe27ca9336bfc8a9ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cab1852368dd74d629ee02abdbc559218ca64dde"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0d7eca253ccd0619b3d2b683ffe32218ebca9ac"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: jfs: Fix uninit-value access of imap allocated in the diMount() function", "id": "2363323", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363323"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\njfs: Fix uninit-value access of imap allocated in the diMount() function\nsyzbot reports that hex_dump_to_buffer is using uninit-value:\n=====================================================\nBUG: KMSAN: uninit-value in hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nhex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171\nprint_hex_dump+0x13d/0x3e0 lib/hexdump.c:276\ndiFree+0x5ba/0x4350 fs/jfs/jfs_imap.c:876\njfs_evict_inode+0x510/0x550 fs/jfs/inode.c:156\nevict+0x723/0xd10 fs/inode.c:796\niput_final fs/inode.c:1946 [inline]\niput+0x97b/0xdb0 fs/inode.c:1972\ntxUpdateMap+0xf3e/0x1150 fs/jfs/jfs_txnmgr.c:2367\ntxLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\njfs_lazycommit+0x627/0x11d0 fs/jfs/jfs_txnmgr.c:2733\nkthread+0x6b9/0xef0 kernel/kthread.c:464\nret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\nUninit was created at:\nslab_post_alloc_hook mm/slub.c:4121 [inline]\nslab_alloc_node mm/slub.c:4164 [inline]\n__kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320\nkmalloc_noprof include/linux/slab.h:901 [inline]\ndiMount+0x61/0x7f0 fs/jfs/jfs_imap.c:105\njfs_mount+0xa8e/0x11d0 fs/jfs/jfs_mount.c:176\njfs_fill_super+0xa47/0x17c0 fs/jfs/super.c:523\nget_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636\nget_tree_bdev+0x37/0x50 fs/super.c:1659\njfs_get_tree+0x34/0x40 fs/jfs/super.c:635\nvfs_get_tree+0xb1/0x5a0 fs/super.c:1814\ndo_new_mount+0x71f/0x15e0 fs/namespace.c:3560\npath_mount+0x742/0x1f10 fs/namespace.c:3887\ndo_mount fs/namespace.c:3900 [inline]\n__do_sys_mount fs/namespace.c:4111 [inline]\n__se_sys_mount+0x71f/0x800 fs/namespace.c:4088\n__x64_sys_mount+0xe4/0x150 fs/namespace.c:4088\nx64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\n=====================================================\nThe reason is that imap is not properly initialized after memory\nallocation. It will cause the snprintf() function to write uninitialized\ndata into linebuf within hex_dump_to_buffer().\nFix this by using kzalloc instead of kmalloc to clear its content at the\nbeginning in diMount()."], "name": "CVE-2025-37742", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37742\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37742\nhttps://lore.kernel.org/linux-cve-announce/2025050134-CVE-2025-37742-60be@gregkh/T"], "threat_severity": "Moderate"}

{}