CVE-2024-41098

{"id": "CVE-2024-41098", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-07-29T16:15:04.837", "references": [{"url": "https://git.kernel.org/stable/c/0f0d37c154bb108730c90a91aa31e3170e827962", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/221e3b1297e74fdec32d0f572f4dcb2260a0a2af", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/56e62977eaaae3eb7122ee2cf9b720b6703114a9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e83405e75d90694ee6a5d898f7f0473ac2686054", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-core: Fix null pointer dereference on error\n\nIf the ata_port_alloc() call in ata_host_alloc() fails,\nata_host_release() will get called.\n\nHowever, the code in ata_host_release() tries to free ata_port struct\nmembers unconditionally, which can lead to the following:\n\nBUG: unable to handle page fault for address: 0000000000003990\nPGD 0 P4D 0\nOops: Oops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\nRIP: 0010:ata_host_release.cold+0x2f/0x6e [libata]\nCode: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41\nRSP: 0018:ffffc90000ebb968 EFLAGS: 00010246\nRAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0\nRBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68\nR10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004\nR13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006\nFS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0\nPKRU: 55555554\nCall Trace:\n <TASK>\n ? __die_body.cold+0x19/0x27\n ? page_fault_oops+0x15a/0x2f0\n ? exc_page_fault+0x7e/0x180\n ? asm_exc_page_fault+0x26/0x30\n ? ata_host_release.cold+0x2f/0x6e [libata]\n ? ata_host_release.cold+0x2f/0x6e [libata]\n release_nodes+0x35/0xb0\n devres_release_group+0x113/0x140\n ata_host_alloc+0xed/0x120 [libata]\n ata_host_alloc_pinfo+0x14/0xa0 [libata]\n ahci_init_one+0x6c9/0xd20 [ahci]\n\nDo not access ata_port struct members unconditionally."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ata: libata-core: corrige la desreferencia del puntero nulo en caso de error Si la llamada ata_port_alloc() en ata_host_alloc() falla, se llamar\u00e1 ata_host_release(). Sin embargo, el c\u00f3digo en ata_host_release() intenta liberar incondicionalmente a los miembros de la estructura ata_port, lo que puede provocar lo siguiente: ERROR: no se puede manejar el error de p\u00e1gina para la direcci\u00f3n: 0000000000003990 PGD 0 P4D 0 Ups: Ups: 0000 [#1] PREEMPT SMP NOPTI CPU: 10 PID: 594 Comunicaciones: (udev-worker) No contaminado 6.10.0-rc5 #44 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 01/04/2014 RIP : 0010:ata_host_release.cold+0x2f/0x6e [libata] C\u00f3digo: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41 RSP: 0018:ffffc90000ebb968 00010246 RAX : 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0 RBP: ffff888 10fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68 R10: ffffc90000ebb738 R11: 73692033203a746e R12: 000000000000004 R13: 00000000 R14: 0000000000000011 R15: 0000000000000006 FS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000003990 CR3: 00000001122a200 0 CR4: 0000000000750ef0 PKRU: 55555554 Seguimiento de llamadas: ? __die_body.cold+0x19/0x27 ? page_fault_oops+0x15a/0x2f0? exc_page_fault+0x7e/0x180? asm_exc_page_fault+0x26/0x30? ata_host_release.cold+0x2f/0x6e [libata]? ata_host_release.cold+0x2f/0x6e [libata] release_nodes+0x35/0xb0 devres_release_group+0x113/0x140 ata_host_alloc+0xed/0x120 [libata] ata_host_alloc_pinfo+0x14/0xa0 [libata] ahci_init_one+0x6c9/0xd20 ] No acceder a los miembros de la estructura ata_port incondicionalmente."}], "lastModified": "2024-11-21T09:32:14.563", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B38E97BD-3569-40F2-98AE-209C0145BB0C", "versionEndExcluding": "6.6.37", "versionStartIncluding": "2.6.24"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E95105F2-32E3-4C5F-9D18-7AEFD0E6275C", "versionEndExcluding": "6.9.8", "versionStartIncluding": "6.7"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}