{"id":"CVE-2024-41098","summary":"ata: libata-core: Fix null pointer dereference on error","details":"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 \u003cTASK\u003e\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.","modified":"2026-03-20T12:37:31.274906Z","published":"2024-07-29T15:48:11.093Z","related":["SUSE-SU-2024:3189-1","SUSE-SU-2024:3190-1","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3251-1","SUSE-SU-2024:3252-1","SUSE-SU-2024:3383-1","SUSE-SU-2024:3483-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41098.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0f0d37c154bb108730c90a91aa31e3170e827962"},{"type":"WEB","url":"https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28"},{"type":"WEB","url":"https://git.kernel.org/stable/c/221e3b1297e74fdec32d0f572f4dcb2260a0a2af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/56e62977eaaae3eb7122ee2cf9b720b6703114a9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e83405e75d90694ee6a5d898f7f0473ac2686054"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41098.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41098"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"633273a3ed1cf37ced90475b0f95cf81deab04f1"},{"fixed":"d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5"},{"fixed":"56e62977eaaae3eb7122ee2cf9b720b6703114a9"},{"fixed":"e83405e75d90694ee6a5d898f7f0473ac2686054"},{"fixed":"221e3b1297e74fdec32d0f572f4dcb2260a0a2af"},{"fixed":"0f0d37c154bb108730c90a91aa31e3170e827962"},{"fixed":"119c97ace2a9ffcf4dc09a23bb057d6c281aff28"},{"fixed":"8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8"},{"fixed":"5d92c7c566dc76d96e0e19e481d926bbe6631c1e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-41098.json"}}],"schema_version":"1.7.5"}