ghsa-hp26-cm5q-wmvq
Vulnerability from github
Published
2024-05-19 12:30
Modified
2024-06-27 12:30
Details
In the Linux kernel, the following vulnerability has been resolved:
btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()
The unhandled case in btrfs_relocate_sys_chunks() loop is a corruption, as it could be caused only by two impossible conditions:
-
at first the search key is set up to look for a chunk tree item, with offset -1, this is an inexact search and the key->offset will contain the correct offset upon a successful search, a valid chunk tree item cannot have an offset -1
-
after first successful search, the found_key corresponds to a chunk item, the offset is decremented by 1 before the next loop, it's impossible to find a chunk item there due to alignment and size constraints
{
"affected": [],
"aliases": [
"CVE-2024-35936"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-19T11:15:49Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()\n\nThe unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,\nas it could be caused only by two impossible conditions:\n\n- at first the search key is set up to look for a chunk tree item, with\n offset -1, this is an inexact search and the key-\u003eoffset will contain\n the correct offset upon a successful search, a valid chunk tree item\n cannot have an offset -1\n\n- after first successful search, the found_key corresponds to a chunk\n item, the offset is decremented by 1 before the next loop, it\u0027s\n impossible to find a chunk item there due to alignment and size\n constraints",
"id": "GHSA-hp26-cm5q-wmvq",
"modified": "2024-06-27T12:30:46Z",
"published": "2024-05-19T12:30:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35936"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0d23b34c68c46cd225b55868bc8a269e3134816d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1f9212cdbd005bc55f2b7422e7b560d9c02bd1da"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/36c2a2863bc3896243eb724dc3fd4cf9aea633f2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/576164bd01bd795f8b09fb194b493103506b33c9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7411055db5ce64f836aaffd422396af0075fdc99"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/87299cdaae757f3f41212146cfb5b3af416b8385"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bebd9e0ff90034875c5dfe4bd514fd7055fc7a89"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d1ffa4ae2d591fdd40471074e79954ec45f147f7"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
}
],
"schema_version": "1.4.0",
"severity": []
}
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