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cvelist/2024/39xxx/CVE-2024-39301.json
CVE Team b27c6d047e
"-Synchronized-Data."
2024-11-05 10:02:32 +00:00

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{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-39301",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix uninit-value in p9_client_rpc()\n\nSyzbot with the help of KMSAN reported the following error:\n\nBUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]\nBUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n trace_9p_client_res include/trace/events/9p.h:146 [inline]\n p9_client_rpc+0x1314/0x1340 net/9p/client.c:754\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598\n __alloc_pages_node include/linux/gfp.h:238 [inline]\n alloc_pages_node include/linux/gfp.h:261 [inline]\n alloc_slab_page mm/slub.c:2175 [inline]\n allocate_slab mm/slub.c:2338 [inline]\n new_slab+0x2de/0x1400 mm/slub.c:2391\n ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525\n __slab_alloc mm/slub.c:3610 [inline]\n __slab_alloc_node mm/slub.c:3663 [inline]\n slab_alloc_node mm/slub.c:3835 [inline]\n kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852\n p9_tag_alloc net/9p/client.c:278 [inline]\n p9_client_prepare_req+0x20a/0x1770 net/9p/client.c:641\n p9_client_rpc+0x27e/0x1340 net/9p/client.c:688\n p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031\n v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410\n v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122\n legacy_get_tree+0x114/0x290 fs/fs_context.c:662\n vfs_get_tree+0xa7/0x570 fs/super.c:1797\n do_new_mount+0x71f/0x15e0 fs/namespace.c:3352\n path_mount+0x742/0x1f20 fs/namespace.c:3679\n do_mount fs/namespace.c:3692 [inline]\n __do_sys_mount fs/namespace.c:3898 [inline]\n __se_sys_mount+0x725/0x810 fs/namespace.c:3875\n __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nIf p9_check_errors() fails early in p9_client_rpc(), req->rc.tag\nwill not be properly initialized. However, trace_9p_client_res()\nends up trying to print it out anyway before p9_client_rpc()\nfinishes.\n\nFix this issue by assigning default values to p9_fcall fields\nsuch as 'tag' and (just in case KMSAN unearths something new) 'id'\nduring the tag allocation stage."
}
]
},
"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": "348b59012e5c",
"version_value": "72c5d8e416ec"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "3.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.316",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
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},
{
"version": "5.4.278",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
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},
{
"version": "5.10.219",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
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},
{
"version": "5.15.161",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.94",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
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{
"version": "6.6.34",
"lessThanOrEqual": "6.6.*",
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"versionType": "original_commit_for_fix"
}
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"defaultStatus": "affected"
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},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867"
},
{
"url": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b",
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"name": "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b"
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{
"url": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17",
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"name": "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17"
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{
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"name": "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672"
},
{
"url": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17"
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"url": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163",
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"name": "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163"
},
{
"url": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a"
}
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"generator": {
"engine": "bippy-9e1c9544281a"
}
}
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