ghsa-xhf8-m475-367r
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix kernel warning when sending SYN message
When sending a SYN message, this kernel stack trace is observed:
...
[ 13.396352] RIP: 0010:_copy_from_iter+0xb4/0x550
...
[ 13.398494] Call Trace:
[ 13.398630]
It is because commit a41dad905e5a ("iov_iter: saner checks for attempt to copy to/from iterator") has introduced sanity check for copying from/to iov iterator. Lacking of copy direction from the iterator viewpoint would lead to kernel stack trace like above.
This commit fixes this issue by initializing the iov iterator with the correct copy direction when sending SYN or ACK without data.
{
"affected": [],
"aliases": [
"CVE-2023-52700"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-21T16:15:12Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix kernel warning when sending SYN message\n\nWhen sending a SYN message, this kernel stack trace is observed:\n\n...\n[ 13.396352] RIP: 0010:_copy_from_iter+0xb4/0x550\n...\n[ 13.398494] Call Trace:\n[ 13.398630] \u003cTASK\u003e\n[ 13.398630] ? __alloc_skb+0xed/0x1a0\n[ 13.398630] tipc_msg_build+0x12c/0x670 [tipc]\n[ 13.398630] ? shmem_add_to_page_cache.isra.71+0x151/0x290\n[ 13.398630] __tipc_sendmsg+0x2d1/0x710 [tipc]\n[ 13.398630] ? tipc_connect+0x1d9/0x230 [tipc]\n[ 13.398630] ? __local_bh_enable_ip+0x37/0x80\n[ 13.398630] tipc_connect+0x1d9/0x230 [tipc]\n[ 13.398630] ? __sys_connect+0x9f/0xd0\n[ 13.398630] __sys_connect+0x9f/0xd0\n[ 13.398630] ? preempt_count_add+0x4d/0xa0\n[ 13.398630] ? fpregs_assert_state_consistent+0x22/0x50\n[ 13.398630] __x64_sys_connect+0x16/0x20\n[ 13.398630] do_syscall_64+0x42/0x90\n[ 13.398630] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nIt is because commit a41dad905e5a (\"iov_iter: saner checks for attempt\nto copy to/from iterator\") has introduced sanity check for copying\nfrom/to iov iterator. Lacking of copy direction from the iterator\nviewpoint would lead to kernel stack trace like above.\n\nThis commit fixes this issue by initializing the iov iterator with\nthe correct copy direction when sending SYN or ACK without data.",
"id": "GHSA-xhf8-m475-367r",
"modified": "2024-11-06T18:31:04Z",
"published": "2024-05-21T18:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52700"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/11a4d6f67cf55883dc78e31c247d1903ed7feccc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/54b6082aec178f16ad6d193b4ecdc9c4823d9a32"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
- 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.