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25 lines
1.7 KiB
JSON
25 lines
1.7 KiB
JSON
{
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"id": "CVE-2024-56624",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-12-27T15:15:21.933",
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"lastModified": "2024-12-27T15:15:21.933",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Fix out_fput in iommufd_fault_alloc()\n\nAs fput() calls the file->f_op->release op, where fault obj and ictx are\ngetting released, there is no need to release these two after fput() one\nmore time, which would result in imbalanced refcounts:\n refcount_t: decrement hit 0; leaking memory.\n WARNING: CPU: 48 PID: 2369 at lib/refcount.c:31 refcount_warn_saturate+0x60/0x230\n Call trace:\n refcount_warn_saturate+0x60/0x230 (P)\n refcount_warn_saturate+0x60/0x230 (L)\n iommufd_fault_fops_release+0x9c/0xe0 [iommufd]\n ...\n VFS: Close: file count is 0 (f_op=iommufd_fops [iommufd])\n WARNING: CPU: 48 PID: 2369 at fs/open.c:1507 filp_flush+0x3c/0xf0\n Call trace:\n filp_flush+0x3c/0xf0 (P)\n filp_flush+0x3c/0xf0 (L)\n __arm64_sys_close+0x34/0x98\n ...\n imbalanced put on file reference count\n WARNING: CPU: 48 PID: 2369 at fs/file.c:74 __file_ref_put+0x100/0x138\n Call trace:\n __file_ref_put+0x100/0x138 (P)\n __file_ref_put+0x100/0x138 (L)\n __fput_sync+0x4c/0xd0\n\nDrop those two lines to fix the warnings above."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/2b3f30c8edbf9a122ce01f13f0f41fbca5f1d41d",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/af7f4780514f850322b2959032ecaa96e4b26472",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |