mirror of
https://github.com/CVEProject/cvelist.git
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124 lines
6.7 KiB
JSON
124 lines
6.7 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-2024-35797",
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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\nmm: cachestat: fix two shmem bugs\n\nWhen cachestat on shmem races with swapping and invalidation, there\nare two possible bugs:\n\n1) A swapin error can have resulted in a poisoned swap entry in the\n shmem inode's xarray. Calling get_shadow_from_swap_cache() on it\n will result in an out-of-bounds access to swapper_spaces[].\n\n Validate the entry with non_swap_entry() before going further.\n\n2) When we find a valid swap entry in the shmem's inode, the shadow\n entry in the swapcache might not exist yet: swap IO is still in\n progress and we're before __remove_mapping; swapin, invalidation,\n or swapoff have removed the shadow from swapcache after we saw the\n shmem swap entry.\n\n This will send a NULL to workingset_test_recent(). The latter\n purely operates on pointer bits, so it won't crash - node 0, memcg\n ID 0, eviction timestamp 0, etc. are all valid inputs - but it's a\n bogus test. In theory that could result in a false \"recently\n evicted\" count.\n\n Such a false positive wouldn't be the end of the world. But for\n code clarity and (future) robustness, be explicit about this case.\n\n Bail on get_shadow_from_swap_cache() returning NULL."
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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": "cf264e1329fb",
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"version_value": "b79f9e1ff27c"
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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": "6.5",
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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": "6.5",
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"status": "unaffected",
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"versionType": "custom"
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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": "custom"
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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": "custom"
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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": "custom"
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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/b79f9e1ff27c994a4c452235ba09e672ec698e23",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b79f9e1ff27c994a4c452235ba09e672ec698e23"
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},
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{
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"url": "https://git.kernel.org/stable/c/d962f6c583458037dc7e529659b2b02b9dd3d94b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d962f6c583458037dc7e529659b2b02b9dd3d94b"
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},
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{
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"url": "https://git.kernel.org/stable/c/24a0e73d544439bb9329fbbafac44299e548a677",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/24a0e73d544439bb9329fbbafac44299e548a677"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5d39c707a4cf0bcc84680178677b97aa2cb2627",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d5d39c707a4cf0bcc84680178677b97aa2cb2627"
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}
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]
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},
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"generator": {
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"engine": "bippy-a5840b7849dd"
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}
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} |