mirror of
https://github.com/CVEProject/cvelist.git
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113 lines
6.3 KiB
JSON
113 lines
6.3 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-2023-52582",
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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\nnetfs: Only call folio_start_fscache() one time for each folio\n\nIf a network filesystem using netfs implements a clamp_length()\nfunction, it can set subrequest lengths smaller than a page size.\n\nWhen we loop through the folios in netfs_rreq_unlock_folios() to\nset any folios to be written back, we need to make sure we only\ncall folio_start_fscache() once for each folio.\n\nOtherwise, this simple testcase:\n\n mount -o fsc,rsize=1024,wsize=1024 127.0.0.1:/export /mnt/nfs\n dd if=/dev/zero of=/mnt/nfs/file.bin bs=4096 count=1\n 1+0 records in\n 1+0 records out\n 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0126359 s, 324 kB/s\n echo 3 > /proc/sys/vm/drop_caches\n cat /mnt/nfs/file.bin > /dev/null\n\nwill trigger an oops similar to the following:\n\n page dumped because: VM_BUG_ON_FOLIO(folio_test_private_2(folio))\n ------------[ cut here ]------------\n kernel BUG at include/linux/netfs.h:44!\n ...\n CPU: 5 PID: 134 Comm: kworker/u16:5 Kdump: loaded Not tainted 6.4.0-rc5\n ...\n RIP: 0010:netfs_rreq_unlock_folios+0x68e/0x730 [netfs]\n ...\n Call Trace:\n netfs_rreq_assess+0x497/0x660 [netfs]\n netfs_subreq_terminated+0x32b/0x610 [netfs]\n nfs_netfs_read_completion+0x14e/0x1a0 [nfs]\n nfs_read_completion+0x2f9/0x330 [nfs]\n rpc_free_task+0x72/0xa0 [sunrpc]\n rpc_async_release+0x46/0x70 [sunrpc]\n process_one_work+0x3bd/0x710\n worker_thread+0x89/0x610\n kthread+0x181/0x1c0\n ret_from_fork+0x29/0x50"
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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": "3d3c95046742",
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"version_value": "df9950d37df1"
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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": "5.13",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.13",
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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": "6.1.56",
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"lessThanOrEqual": "6.1.*",
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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": "6.5.6",
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"lessThanOrEqual": "6.5.*",
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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": "6.6",
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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/df9950d37df113db59495fa09d060754366a2b7c",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/df9950d37df113db59495fa09d060754366a2b7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d9f5537479d4ec97ea92ff24e81a517d5772581a"
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},
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{
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"url": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/df1c357f25d808e30b216188330e708e09e1a412"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |