ghsa-f2j7-h8j9-xxjc
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()
The selftests added to our CI by Bui Quang Minh recently reveals that there is a mem leak on the error path of virtnet_xsk_pool_enable():
unreferenced object 0xffff88800a68a000 (size 2048): comm "xdp_helper", pid 318, jiffies 4294692778 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kvmalloc_node_noprof+0x402/0x570 virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882) xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226) xsk_bind+0x6a5/0x1ae0 __sys_bind+0x15e/0x230 __x64_sys_bind+0x72/0xb0 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f
{
"affected": [],
"aliases": [
"CVE-2025-37955"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-20T16:15:33Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()\n\nThe selftests added to our CI by Bui Quang Minh recently reveals\nthat there is a mem leak on the error path of virtnet_xsk_pool_enable():\n\nunreferenced object 0xffff88800a68a000 (size 2048):\n comm \"xdp_helper\", pid 318, jiffies 4294692778\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc 0):\n __kvmalloc_node_noprof+0x402/0x570\n virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)\n xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)\n xsk_bind+0x6a5/0x1ae0\n __sys_bind+0x15e/0x230\n __x64_sys_bind+0x72/0xb0\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f",
"id": "GHSA-f2j7-h8j9-xxjc",
"modified": "2025-05-20T18:30:56Z",
"published": "2025-05-20T18:30:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37955"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4397684a292a71fbc1e815c3e283f7490ddce5ae"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/94a6f6c204abb2b2dcd2ce287536cc924469cfb5"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ba6917810bb4a5a32661fa941717399052b3f0d9"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.