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[GHSA-592q-r679-2jpc] In the Linux kernel, the following vulnerability has been... #6280

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[GHSA-592q-r679-2jpc] In the Linux kernel, the following vulnerability has been... #6280

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30 changes: 28 additions & 2 deletions advisories/unreviewed/2025/03/GHSA-592q-r679-2jpc/GHSA-592q-r679-2jpc.json
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,32 @@
"aliases": [
"CVE-2023-52979"
],
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsquashfs: harden sanity check in squashfs_read_xattr_id_table\n\nWhile mounting a corrupted filesystem, a signed integer '*xattr_ids' can\nbecome less than zero. This leads to the incorrect computation of 'len'\nand 'indexes' values which can cause null-ptr-deref in copy_bio_to_actor()\nor out-of-bounds accesses in the next sanity checks inside\nsquashfs_read_xattr_id_table().\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.",
"summary": "xattr_ids overflow potentially causing null-ptr-deref",
"details": "In the Linux kernel, the following vulnerability was identified:\n\nsquashfs: harden sanity check in squashfs_read_xattr_id_table\n\nWhile mounting a corrupted filesystem, a signed integer '*xattr_ids' can\nbecome less than zero. This leads to the incorrect computation of 'len'\nand 'indexes' values which can cause null-ptr-deref in copy_bio_to_actor()\nor out-of-bounds accesses in the next sanity checks inside\nsquashfs_read_xattr_id_table().\n\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\n\nA patch was proposed to fix the vulnerability, however it was later reverted. This vulnerability remains unpatched.\n\n",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [],
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": ""
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
]
}
],
"references": [
{
"type": "ADVISORY",
Expand All @@ -27,6 +45,10 @@
"type": "WEB",
"url": "https://git.kernel.org/stable/c/72e544b1b28325fe78a4687b980871a7e4101f76"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a5b21d8d791cd4db609d0bbcaa9e0c7e019888d1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b30a74f83265c24d1d0842c6c3928cd2e775a3fb"
Expand All @@ -46,6 +68,10 @@
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/de2785aa3448d1ee7be3ab47fd4a873025f1b3d7"
},
{
"type": "WEB",
"url": "https://lore.kernel.org/all/[email protected]/T/#u"
}
],
"database_specific": {
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