cvelist/2024/47xxx/CVE-2024-47719.json
2024-11-18 16:00:45 +00:00

124 lines
8.0 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-47719",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Protect against overflow of ALIGN() during iova allocation\n\nUserspace can supply an iova and uptr such that the target iova alignment\nbecomes really big and ALIGN() overflows which corrupts the selected area\nrange during allocation. CONFIG_IOMMUFD_TEST can detect this:\n\n WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]\n WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352\n Modules linked in:\n CPU: 1 PID: 5092 Comm: syz-executor294 Not tainted 6.10.0-rc5-syzkaller-00294-g3ffea9a7a6f7 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024\n RIP: 0010:iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]\n RIP: 0010:iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352\n Code: fc e9 a4 f3 ff ff e8 1a 8b 4c fc 41 be e4 ff ff ff e9 8a f3 ff ff e8 0a 8b 4c fc 90 0f 0b 90 e9 37 f5 ff ff e8 fc 8a 4c fc 90 <0f> 0b 90 e9 68 f3 ff ff 48 c7 c1 ec 82 ad 8f 80 e1 07 80 c1 03 38\n RSP: 0018:ffffc90003ebf9e0 EFLAGS: 00010293\n RAX: ffffffff85499fa4 RBX: 00000000ffffffef RCX: ffff888079b49e00\n RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000\n RBP: ffffc90003ebfc50 R08: ffffffff85499b30 R09: ffffffff85499942\n R10: 0000000000000002 R11: ffff888079b49e00 R12: ffff8880228e0010\n R13: 0000000000000000 R14: 1ffff920007d7f68 R15: ffffc90003ebfd00\n FS: 000055557d760380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000005fdeb8 CR3: 000000007404a000 CR4: 00000000003506f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n <TASK>\n iommufd_ioas_copy+0x610/0x7b0 drivers/iommu/iommufd/ioas.c:274\n iommufd_fops_ioctl+0x4d9/0x5a0 drivers/iommu/iommufd/main.c:421\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nCap the automatic alignment to the huge page size, which is probably a\nbetter idea overall. Huge automatic alignments can fragment and chew up\nthe available IOVA space without any reason."
}
]
},
"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": "51fe6141f0f6",
"version_value": "cd6dd564ae7d"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "6.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.54",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.10.13",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.11.2",
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/cd6dd564ae7d99967ef50078216929418160b30e",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/cd6dd564ae7d99967ef50078216929418160b30e"
},
{
"url": "https://git.kernel.org/stable/c/a6e9f9fd14772c0b23c6d1d7002d98f9d27cb1f6",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/a6e9f9fd14772c0b23c6d1d7002d98f9d27cb1f6"
},
{
"url": "https://git.kernel.org/stable/c/72b78287ce92802e8ba678181a34b84ae844a112",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/72b78287ce92802e8ba678181a34b84ae844a112"
},
{
"url": "https://git.kernel.org/stable/c/8f6887349b2f829a4121c518aeb064fc922714e4",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/8f6887349b2f829a4121c518aeb064fc922714e4"
}
]
},
"generator": {
"engine": "bippy-8e903de6a542"
}
}