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https://github.com/fkie-cad/nvd-json-data-feeds.git
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48 lines
2.5 KiB
JSON
48 lines
2.5 KiB
JSON
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{
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"id": "CVE-2024-26773",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-04-03T17:15:53.080",
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"lastModified": "2024-04-03T17:24:18.150",
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"vulnStatus": "Awaiting Analysis",
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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\next4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()\n\nDetermine if the group block bitmap is corrupted before using ac_b_ex in\next4_mb_try_best_found() to avoid allocating blocks from a group with a\ncorrupted block bitmap in the following concurrency and making the\nsituation worse.\n\next4_mb_regular_allocator\n ext4_lock_group(sb, group)\n ext4_mb_good_group\n // check if the group bbitmap is corrupted\n ext4_mb_complex_scan_group\n // Scan group gets ac_b_ex but doesn't use it\n ext4_unlock_group(sb, group)\n ext4_mark_group_bitmap_corrupted(group)\n // The block bitmap was corrupted during\n // the group unlock gap.\n ext4_mb_try_best_found\n ext4_lock_group(ac->ac_sb, group)\n ext4_mb_use_best_found\n mb_mark_used\n // Allocating blocks in block bitmap corrupted group"
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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/0184747b552d6b5a14db3b7fcc3b792ce64dedd1",
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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/21f8cfe79f776287459343e9cfa6055af61328ea",
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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/260fc96283c0f594de18a1b045faf6d8fb42874d",
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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/4530b3660d396a646aad91a787b6ab37cf604b53",
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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/4c21fa60a6f4606f6214a38f50612b17b2f738f5",
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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/927794a02169778c9c2e7b25c768ab3ea8c1dc03",
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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/a2576ae9a35c078e488f2c573e9e6821d651fbbe",
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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/f97e75fa4e12b0aa0224e83fcbda8853ac2adf36",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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}
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