CVE-2023-53124
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 2, 2025
First seenMay 2, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.4.238, 5.10.176, 5.15.104, 6.1, 6.1.21, 6.2.8 or later
Patches
- git.kernel.org/stable/c/090305c36185c0547e4441d4c08f1cf096b32134
- git.kernel.org/stable/c/6f0c2f70d9929208d8427ec72c3ed91e2251e289
- git.kernel.org/stable/c/9937f784a608944107dcc2ba9a9c3333f8330b9e
- git.kernel.org/stable/c/a26c775ccc4cfe46f9b718b51bd24313053c7e0b
- git.kernel.org/stable/c/b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3
- git.kernel.org/stable/c/d3c57724f1569311e4b81e98fad0931028b9bdcd
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.4.229 ≤ v < 5.4.238, 5.10.163 ≤ v < 5.10.176, 5.15.86 ≤ v < 5.15.104, 6.0.16 ≤ v < 6.1, 6.1.2 ≤ v < 6.1.21, 6.2 ≤ v < 6.2.8, 6.3 | 5.4.238, 5.10.176, 5.15.104, 6.1, 6.1.21, 6.2.8 |
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