{
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    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-35797",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-17T12:19:12.340Z",
        "datePublished": "2024-05-17T13:23:08.204Z",
        "dateUpdated": "2024-08-02T03:21:47.505Z"
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                "dateUpdated": "2024-05-29T05:29:08.758Z"
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            "descriptions": [
                {
                    "lang": "en",
                    "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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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                            "version": "6.5",
                            "status": "affected"
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                        {
                            "version": "0",
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                            "status": "unaffected",
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                        {
                            "version": "6.6.24",
                            "lessThanOrEqual": "6.6.*",
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                        {
                            "version": "6.7.12",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "6.8.3",
                            "lessThanOrEqual": "6.8.*",
                            "status": "unaffected",
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                            "version": "6.9",
                            "lessThanOrEqual": "*",
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                {
                    "url": "https://git.kernel.org/stable/c/d5d39c707a4cf0bcc84680178677b97aa2cb2627"
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            ],
            "title": "mm: cachestat: fix two shmem bugs",
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