CVE-2023-53124
In the Linux kernel, the following vulnerability has been resolved:
scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()
Port is allocated by sas_port_alloc_num() and rphy is allocated by either sas_end_device_alloc() or sas_expander_alloc(), all of which may return NULL. So we need to check the rphy to avoid possible NULL pointer access.
If sas_rphy_add() returned with failure, rphy is set to NULL. We would access the rphy in the following lines which would also result NULL pointer access.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.4.229 | 5.4.238 |
| linux / linux_kernel | 5.10.163 | 5.10.176 |
| linux / linux_kernel | 5.15.86 | 5.15.104 |
| linux / linux_kernel | 6.0.16 | 6.1 |
| linux / linux_kernel | 6.1.2 | 6.1.21 |
| linux / linux_kernel | 6.2 | 6.2.8 |
| linux / linux_kernel | 6.3-rc1 | 6.3-rc1.x |
| linux / linux_kernel | 6.3-rc2 | 6.3-rc2.x |
- https://git.kernel.org/stable/c/090305c36185c0547e4441d4c08f1cf096b32134
- https://git.kernel.org/stable/c/6f0c2f70d9929208d8427ec72c3ed91e2251e289
- https://git.kernel.org/stable/c/9937f784a608944107dcc2ba9a9c3333f8330b9e
- https://git.kernel.org/stable/c/a26c775ccc4cfe46f9b718b51bd24313053c7e0b
- https://git.kernel.org/stable/c/b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3
- https://git.kernel.org/stable/c/d3c57724f1569311e4b81e98fad0931028b9bdcd
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