mirror of
https://github.com/CVEProject/cvelist.git
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103 lines
5.6 KiB
JSON
103 lines
5.6 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-57924",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: relax assertions on failure to encode file handles\n\nEncoding file handles is usually performed by a filesystem >encode_fh()\nmethod that may fail for various reasons.\n\nThe legacy users of exportfs_encode_fh(), namely, nfsd and\nname_to_handle_at(2) syscall are ready to cope with the possibility\nof failure to encode a file handle.\n\nThere are a few other users of exportfs_encode_{fh,fid}() that\ncurrently have a WARN_ON() assertion when ->encode_fh() fails.\nRelax those assertions because they are wrong.\n\nThe second linked bug report states commit 16aac5ad1fa9 (\"ovl: support\nencoding non-decodable file handles\") in v6.6 as the regressing commit,\nbut this is not accurate.\n\nThe aforementioned commit only increases the chances of the assertion\nand allows triggering the assertion with the reproducer using overlayfs,\ninotify and drop_caches.\n\nTriggering this assertion was always possible with other filesystems and\nother reasons of ->encode_fh() failures and more particularly, it was\nalso possible with the exact same reproducer using overlayfs that is\nmounted with options index=on,nfs_export=on also on kernels < v6.6.\nTherefore, I am not listing the aforementioned commit as a Fixes commit.\n\nBackport hint: this patch will have a trivial conflict applying to\nv6.6.y, and other trivial conflicts applying to stable kernels < v6.6."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"version_value": "f47c834a9131ae64bee3c462f4e610c67b0a000f"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.6.74",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.10",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.13",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/f47c834a9131ae64bee3c462f4e610c67b0a000f",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/f47c834a9131ae64bee3c462f4e610c67b0a000f"
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},
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{
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"url": "https://git.kernel.org/stable/c/adcde2872f8fc399b249758ae1990dcd53b694ea",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/adcde2872f8fc399b249758ae1990dcd53b694ea"
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},
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{
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"url": "https://git.kernel.org/stable/c/974e3fe0ac61de85015bbe5a4990cf4127b304b2",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/974e3fe0ac61de85015bbe5a4990cf4127b304b2"
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}
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]
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},
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"generator": {
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"engine": "bippy-5f407fcff5a0"
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}
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} |