What’s Vulnerable › Vulnerabilities

CVE-2022-50840: scsi: snic: Fix possible UAF in snic_tgt_create()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: snic: Fix possible UAF in snic_tgt_create() Smatch reports a warning as follows: drivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn: '&tgt->list' not removed from list If device_add() fails in snic_tgt_create(), tgt will be freed, but tgt->list will not be removed from snic->disc.tgt_list, then list traversal may cause UAF. Remove from snic->disc.tgt_list before free().

Affected products

• Linux kernel: 4.2 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• 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

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