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THREATINT
PUBLISHED

CVE-2022-49780

scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()



Description

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.

Reserved 2025-04-16 | Published 2025-05-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before 41a6b8b527a5957fab41c3c05e25ad125268e2e9
affected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before 28f7ff5e7559d226e63c7c5de74eb075a83d8c53
affected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before 75205f1b47a88c3fac4f30bd7567e89b2887c7fd
affected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before a636772988bafab89278e7bb3420d8e8eacfe912
affected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before dce0589a3faec9e2e543e97bca7e62592ec85585
affected

3703b2c5d041a68095cdd22380c23ce27d449ad7 before bc68e428d4963af0201e92159629ab96948f0893
affected

Default status
affected

2.6.39
affected

Any version before 2.6.39
unaffected

4.19.267
unaffected

5.4.225
unaffected

5.10.156
unaffected

5.15.80
unaffected

6.0.10
unaffected

6.1
unaffected

References

git.kernel.org/...c/41a6b8b527a5957fab41c3c05e25ad125268e2e9

git.kernel.org/...c/28f7ff5e7559d226e63c7c5de74eb075a83d8c53

git.kernel.org/...c/75205f1b47a88c3fac4f30bd7567e89b2887c7fd

git.kernel.org/...c/a636772988bafab89278e7bb3420d8e8eacfe912

git.kernel.org/...c/dce0589a3faec9e2e543e97bca7e62592ec85585

git.kernel.org/...c/bc68e428d4963af0201e92159629ab96948f0893

cve.org (CVE-2022-49780)

nvd.nist.gov (CVE-2022-49780)

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