CVE-2022-50840

scsi: snic: Fix possible UAF in snic_tgt_create()

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 11, 2026
Reserved: Dec 30, 2025

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().

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ffAffected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 3772319e40527e6a5f2ec1d729e01f271d818f5cAffected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 3007f96ca20c848d0b1b052df6d2cb5ae5586e78Affected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 6866154c23fba40888ad6d554cccd4bf2edb755eAffected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before ad27f74e901fc48729733c88818e6b96c813057dAffected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 1895e908b3ae66a5312fd1b2cdda2da82993dca7Affected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27ccAffected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 4141cd9e8b3379aea52a85d2c35f6eaf26d14e86Affected c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before e118df492320176af94deec000ae034cc92be754Affected
LinuxLinux	4.2Affected before 4.2Not affected 4.9.337 through 4.9.Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ffAffected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 3772319e40527e6a5f2ec1d729e01f271d818f5cAffected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 3007f96ca20c848d0b1b052df6d2cb5ae5586e78Affected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 6866154c23fba40888ad6d554cccd4bf2edb755eAffected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before ad27f74e901fc48729733c88818e6b96c813057dAffected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 1895e908b3ae66a5312fd1b2cdda2da82993dca7Affected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27ccAffected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before 4141cd9e8b3379aea52a85d2c35f6eaf26d14e86Affected
c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa to before e118df492320176af94deec000ae034cc92be754Affected

LinuxLinux

4.2Affected
before 4.2Not affected
4.9.337 through 4.9.*Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

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