mirror of
https://github.com/CVEProject/cvelist.git
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179 lines
10 KiB
JSON
179 lines
10 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-2024-26654",
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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\nALSA: sh: aica: reorder cleanup operations to avoid UAF bugs\n\nThe dreamcastcard->timer could schedule the spu_dma_work and the\nspu_dma_work could also arm the dreamcastcard->timer.\n\nWhen the snd_pcm_substream is closing, the aica_channel will be\ndeallocated. But it could still be dereferenced in the worker\nthread. The reason is that del_timer() will return directly\nregardless of whether the timer handler is running or not and\nthe worker could be rescheduled in the timer handler. As a result,\nthe UAF bug will happen. The racy situation is shown below:\n\n (Thread 1) | (Thread 2)\nsnd_aicapcm_pcm_close() |\n ... | run_spu_dma() //worker\n | mod_timer()\n flush_work() |\n del_timer() | aica_period_elapsed() //timer\n kfree(dreamcastcard->channel) | schedule_work()\n | run_spu_dma() //worker\n ... | dreamcastcard->channel-> //USE\n\nIn order to mitigate this bug and other possible corner cases,\ncall mod_timer() conditionally in run_spu_dma(), then implement\nPCM sync_stop op to cancel both the timer and worker. The sync_stop\nop will be called from PCM core appropriately when needed."
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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": "198de43d758c",
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"version_value": "eeb2a2ca0b8d"
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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": "2.6.23",
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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": "2.6.23",
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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": "4.19.312",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.274",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.215",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.154",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.84",
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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": "6.6.24",
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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": "6.7.12",
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"lessThanOrEqual": "6.7.*",
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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": "6.8.3",
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"lessThanOrEqual": "6.8.*",
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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": "6.9",
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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/eeb2a2ca0b8de7e1c66afaf719529154e7dc60b2",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/eeb2a2ca0b8de7e1c66afaf719529154e7dc60b2"
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},
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{
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"url": "https://git.kernel.org/stable/c/4206ad65a0ee76920041a755bd3c17c6ba59bba2",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/4206ad65a0ee76920041a755bd3c17c6ba59bba2"
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},
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{
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"url": "https://git.kernel.org/stable/c/aa39e6878f61f50892ee2dd9d2176f72020be845",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/aa39e6878f61f50892ee2dd9d2176f72020be845"
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},
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{
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"url": "https://git.kernel.org/stable/c/8c990221681688da34295d6d76cc2f5b963e83f5",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/8c990221681688da34295d6d76cc2f5b963e83f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d66ae0e7bb78b54e1e0525456c6b54e1d132046",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9d66ae0e7bb78b54e1e0525456c6b54e1d132046"
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},
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{
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"url": "https://git.kernel.org/stable/c/61d4787692c1fccdc268ffa7a891f9c149f50901",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/61d4787692c1fccdc268ffa7a891f9c149f50901"
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},
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{
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"url": "https://git.kernel.org/stable/c/e955e8a7f38a856fc6534ba4e6bffd4d5cc80ac3",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/e955e8a7f38a856fc6534ba4e6bffd4d5cc80ac3"
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},
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{
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"url": "https://git.kernel.org/stable/c/3c907bf56905de7d27b329afaf59c2fb35d17b04",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/3c907bf56905de7d27b329afaf59c2fb35d17b04"
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},
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{
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"url": "https://git.kernel.org/stable/c/051e0840ffa8ab25554d6b14b62c9ab9e4901457",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/051e0840ffa8ab25554d6b14b62c9ab9e4901457"
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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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} |