CVE-2022-49780
scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()
In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus() If device_register() fails in tcm_loop_setup_hba_bus(), the name allocated by dev_set_name() need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanup(). The 'tl_hba' will be freed in tcm_loop_release_adapter(), so it don't need goto error label in this case.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < 41a6b8b527a5957fab41c3c05e25ad125268e2e9 (affected, git) ≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < 28f7ff5e7559d226e63c7c5de74eb075a83d8c53 (affected, git) ≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < 75205f1b47a88c3fac4f30bd7567e89b2887c7fd (affected, git) ≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < a636772988bafab89278e7bb3420d8e8eacfe912 (affected, git) ≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < dce0589a3faec9e2e543e97bca7e62592ec85585 (affected, git) ≥ 3703b2c5d041a68095cdd22380c23ce27d449ad7; < bc68e428d4963af0201e92159629ab96948f0893 (affected, git) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
2.6.39 (affected) ≥ 0; < 2.6.39 (unaffected, semver) ≥ 4.19.267; ≤ 4.19.* (unaffected, semver) ≥ 5.4.225; ≤ 5.4.* (unaffected, semver) ≥ 5.10.156; ≤ 5.10.* (unaffected, semver) ≥ 5.15.80; ≤ 5.15.* (unaffected, semver) ≥ 6.0.10; ≤ 6.0.* (unaffected, semver) ≥ 6.1; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://git.kernel.org/stable/c/41a6b8b527a5957fab41c3c05e25ad125268e2e9CNA: Linux
- https://git.kernel.org/stable/c/28f7ff5e7559d226e63c7c5de74eb075a83d8c53CNA: Linux
- https://git.kernel.org/stable/c/75205f1b47a88c3fac4f30bd7567e89b2887c7fdCNA: Linux
- https://git.kernel.org/stable/c/a636772988bafab89278e7bb3420d8e8eacfe912CNA: Linux
- https://git.kernel.org/stable/c/dce0589a3faec9e2e543e97bca7e62592ec85585CNA: Linux
- https://git.kernel.org/stable/c/bc68e428d4963af0201e92159629ab96948f0893CNA: Linux
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