GHSA-R942-4W9P-298Q
Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2024-05-21 18:31In the Linux kernel, the following vulnerability has been resolved:
net: sched: sch: Bounds check priority
Nothing was explicitly bounds checking the priority index used to access clpriop[]. WARN and bail out early if it's pathological. Seen with GCC 13:
../net/sched/sch_htb.c: In function 'htb_activate_prios': ../net/sched/sch_htb.c:437:44: warning: array subscript [0, 31] is outside array bounds of 'struct htb_prio[8]' [-Warray-bounds=] 437 | if (p->inner.clprio[prio].feed.rb_node) | ~~~~~~~~~~~~~~~^~~~~~ ../net/sched/sch_htb.c:131:41: note: while referencing 'clprio' 131 | struct htb_prio clprio[TC_HTB_NUMPRIO]; | ^~~~~~
{
"affected": [],
"aliases": [
"CVE-2023-52734"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-21T16:15:13Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: sch: Bounds check priority\n\nNothing was explicitly bounds checking the priority index used to access\nclpriop[]. WARN and bail out early if it\u0027s pathological. Seen with GCC 13:\n\n../net/sched/sch_htb.c: In function \u0027htb_activate_prios\u0027:\n../net/sched/sch_htb.c:437:44: warning: array subscript [0, 31] is outside array bounds of \u0027struct htb_prio[8]\u0027 [-Warray-bounds=]\n 437 | if (p-\u003einner.clprio[prio].feed.rb_node)\n | ~~~~~~~~~~~~~~~^~~~~~\n../net/sched/sch_htb.c:131:41: note: while referencing \u0027clprio\u0027\n 131 | struct htb_prio clprio[TC_HTB_NUMPRIO];\n | ^~~~~~",
"id": "GHSA-r942-4w9p-298q",
"modified": "2024-05-21T18:31:19Z",
"published": "2024-05-21T18:31:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52734"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/90fcf55d83b20da1091f926a291af05fb74f61c6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/99875ea9b5b47995bfb3c684d21eb17feb4b7e6a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/de5ca4c3852f896cacac2bf259597aab5e17d9e3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f6415c9c9a0b3881543d38528a58b54af4351522"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fbe71c5dacaa5a9960323215f118958174c81aa0"
}
],
"schema_version": "1.4.0",
"severity": []
}
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