CVE-2022-50840
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/12/2025
Last modified:
30/12/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
scsi: snic: Fix possible UAF in snic_tgt_create()<br />
<br />
Smatch reports a warning as follows:<br />
<br />
drivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn:<br />
&#39;&tgt->list&#39; not removed from list<br />
<br />
If device_add() fails in snic_tgt_create(), tgt will be freed, but<br />
tgt->list will not be removed from snic->disc.tgt_list, then list traversal<br />
may cause UAF.<br />
<br />
Remove from snic->disc.tgt_list before free().
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/1895e908b3ae66a5312fd1b2cdda2da82993dca7
- https://git.kernel.org/stable/c/3007f96ca20c848d0b1b052df6d2cb5ae5586e78
- https://git.kernel.org/stable/c/3772319e40527e6a5f2ec1d729e01f271d818f5c
- https://git.kernel.org/stable/c/4141cd9e8b3379aea52a85d2c35f6eaf26d14e86
- https://git.kernel.org/stable/c/6866154c23fba40888ad6d554cccd4bf2edb755e
- https://git.kernel.org/stable/c/ad27f74e901fc48729733c88818e6b96c813057d
- https://git.kernel.org/stable/c/c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc
- https://git.kernel.org/stable/c/e118df492320176af94deec000ae034cc92be754
- https://git.kernel.org/stable/c/f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff