{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-41098", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "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 \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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "633273a3ed1c", "version_value": "119c97ace2a9" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "2.6.24", "status": "affected" }, { "version": "0", "lessThan": "2.6.24", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.37", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.8", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28" }, { "url": "https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8" }, { "url": "https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }