cvelist/2024/43xxx/CVE-2024-43889.json
2024-11-05 10:02:32 +00:00

146 lines
8.2 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-43889",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Fix possible divide-by-0 panic in padata_mt_helper()\n\nWe are hit with a not easily reproducible divide-by-0 panic in padata.c at\nbootup time.\n\n [ 10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI\n [ 10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1\n [ 10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021\n [ 10.017908] Workqueue: events_unbound padata_mt_helper\n [ 10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0\n :\n [ 10.017963] Call Trace:\n [ 10.017968] <TASK>\n [ 10.018004] ? padata_mt_helper+0x39/0xb0\n [ 10.018084] process_one_work+0x174/0x330\n [ 10.018093] worker_thread+0x266/0x3a0\n [ 10.018111] kthread+0xcf/0x100\n [ 10.018124] ret_from_fork+0x31/0x50\n [ 10.018138] ret_from_fork_asm+0x1a/0x30\n [ 10.018147] </TASK>\n\nLooking at the padata_mt_helper() function, the only way a divide-by-0\npanic can happen is when ps->chunk_size is 0. The way that chunk_size is\ninitialized in padata_do_multithreaded(), chunk_size can be 0 when the\nmin_chunk in the passed-in padata_mt_job structure is 0.\n\nFix this divide-by-0 panic by making sure that chunk_size will be at least\n1 no matter what the input parameters are."
}
]
},
"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": "004ed42638f4",
"version_value": "ab8b397d5997"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.224",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
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},
{
"version": "5.15.165",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
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},
{
"version": "6.1.105",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.46",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.10.5",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.11",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
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"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3"
},
{
"url": "https://git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10d",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10d"
},
{
"url": "https://git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09f",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09f"
},
{
"url": "https://git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2c",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2c"
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{
"url": "https://git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905"
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{
"url": "https://git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730c",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730c"
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]
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