ghsa-8xvq-q955-pv4g
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()
dev_set_name() allocates memory for name, it need be freed when device_add() fails, call put_device() to give up the reference that hold in device_initialize(), so that it can be freed in kobject_cleanup() when the refcount hit to 0.
Fault injection test can trigger this:
unreferenced object 0xffff8e8340a7b4c0 (size 32): comm "modprobe", pid 243, jiffies 4294678145 (age 48.845s) hex dump (first 32 bytes): 69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge 72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............ backtrace: [<0000000074999de8>] __kmem_cache_alloc_node+0x1e9/0x360 [<00000000497fd30b>] __kmalloc_node_track_caller+0x44/0x1a0 [<000000003636c520>] kstrdup+0x2d/0x60 [<0000000032f84da2>] kobject_set_name_vargs+0x1e/0x90 [<0000000092efe493>] dev_set_name+0x4e/0x70
{
"affected": [],
"aliases": [
"CVE-2022-49793"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-01T15:16:02Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()\n\ndev_set_name() allocates memory for name, it need be freed\nwhen device_add() fails, call put_device() to give up the\nreference that hold in device_initialize(), so that it can\nbe freed in kobject_cleanup() when the refcount hit to 0.\n\nFault injection test can trigger this:\n\nunreferenced object 0xffff8e8340a7b4c0 (size 32):\n comm \"modprobe\", pid 243, jiffies 4294678145 (age 48.845s)\n hex dump (first 32 bytes):\n 69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge\n 72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............\n backtrace:\n [\u003c0000000074999de8\u003e] __kmem_cache_alloc_node+0x1e9/0x360\n [\u003c00000000497fd30b\u003e] __kmalloc_node_track_caller+0x44/0x1a0\n [\u003c000000003636c520\u003e] kstrdup+0x2d/0x60\n [\u003c0000000032f84da2\u003e] kobject_set_name_vargs+0x1e/0x90\n [\u003c0000000092efe493\u003e] dev_set_name+0x4e/0x70",
"id": "GHSA-8xvq-q955-pv4g",
"modified": "2025-05-01T15:31:47Z",
"published": "2025-05-01T15:31:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49793"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0dd52e141afde089304de470148d311b05c14564"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2c4e65285bdea23fd36d2ff376006ac64db6f42e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5a39382aa5411d64b25a71516c2c7480aab13bb7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/656f670613662b6cc77aad14112db2803ad18fa8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8dddf2699da296c84205582aaead6b43dd7e8c4b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b47bb521961f027b4dcf8683337a7a1ba9e5ea1f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/efa17e90e1711bdb084e3954fa44afb6647331c0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f68c96821b61d2c71a35dbb8bf90c347fad624d9"
}
],
"schema_version": "1.4.0",
"severity": []
}
- 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.