cve-2022-48874
Vulnerability from cvelistv5
Published
2024-08-21 06:10
Modified
2024-12-19 08:09
Severity ?
Summary
misc: fastrpc: Fix use-after-free and race in fastrpc_map_find
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9446fa1683a7e3937d9970248ced427c1983a1c5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a50c5c25b6e7d2824698c0e6385f882a18f4a498Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2022-48874",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: Fix use-after-free and race in fastrpc_map_find\n\nCurrently, there is a race window between the point when the mutex is\nunlocked in fastrpc_map_lookup and the reference count increasing\n(fastrpc_map_get) in fastrpc_map_find, which can also lead to\nuse-after-free.\n\nSo lets merge fastrpc_map_find into fastrpc_map_lookup which allows us\nto both protect the maps list by also taking the \u0026fl-\u003elock spinlock and\nthe reference count, since the spinlock will be released only after.\nAdd take_ref argument to make this suitable for all callers."
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      "title": "misc: fastrpc: Fix use-after-free and race in fastrpc_map_find",
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    "datePublished": "2024-08-21T06:10:05.081Z",
    "dateReserved": "2024-07-16T11:38:08.921Z",
    "dateUpdated": "2024-12-19T08:09:37.898Z",
    "state": "PUBLISHED"
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}


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