ghsa-66vv-cf65-88qw
Vulnerability from github
Published
2024-07-12 15:31
Modified
2024-07-12 15:31
Details
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ipset: Fix suspicious rcu_dereference_protected()
When destroying all sets, we are either in pernet exit phase or are executing a "destroy all sets command" from userspace. The latter was taken into account in ip_set_dereference() (nfnetlink mutex is held), but the former was not. The patch adds the required check to rcu_dereference_protected() in ip_set_dereference().
{
"affected": [],
"aliases": [
"CVE-2024-40993"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-12T13:15:20Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Fix suspicious rcu_dereference_protected()\n\nWhen destroying all sets, we are either in pernet exit phase or\nare executing a \"destroy all sets command\" from userspace. The latter\nwas taken into account in ip_set_dereference() (nfnetlink mutex is held),\nbut the former was not. The patch adds the required check to\nrcu_dereference_protected() in ip_set_dereference().",
"id": "GHSA-66vv-cf65-88qw",
"modified": "2024-07-12T15:31:29Z",
"published": "2024-07-12T15:31:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-40993"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4"
}
],
"schema_version": "1.4.0",
"severity": []
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.