GHSA-383J-F5VG-3HCM
Vulnerability from github – Published: 2024-10-21 12:30 – Updated: 2024-10-23 21:30In the Linux kernel, the following vulnerability has been resolved:
ext4: check stripe size compatibility on remount as well
We disable stripe size in __ext4_fill_super if it is not a multiple of the cluster ratio however this check is missed when trying to remount. This can leave us with cases where stripe < cluster_ratio after remount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some unforeseen bugs like divide by 0.
Fix that by adding the check in remount path as well.
{
"affected": [],
"aliases": [
"CVE-2024-47700"
],
"database_specific": {
"cwe_ids": [
"CWE-369"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-21T12:15:06Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: check stripe size compatibility on remount as well\n\nWe disable stripe size in __ext4_fill_super if it is not a multiple of\nthe cluster ratio however this check is missed when trying to remount.\nThis can leave us with cases where stripe \u003c cluster_ratio after\nremount:set making EXT4_B2C(sbi-\u003es_stripe) become 0 that can cause some\nunforeseen bugs like divide by 0.\n\nFix that by adding the check in remount path as well.",
"id": "GHSA-383j-f5vg-3hcm",
"modified": "2024-10-23T21:30:28Z",
"published": "2024-10-21T12:30:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47700"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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