UBUNTU-CVE-2026-23464
In the Linux kernel, the following vulnerability has been resolved: soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe() In mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails, the function returns immediately without freeing the allocated memory for sys_controller, leading to a memory leak. Fix this by jumping to the out_free label to ensure the memory is properly freed. Also, consolidate the error handling for the mbox_request_channel() failure case to use the same label.
02 / AFFECTED SOFTWARE
Affected packages
51 explicit affected versions
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43 explicit affected versions
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13 explicit affected versions
13 explicit affected versions
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37 explicit affected versions
50 explicit affected versions
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11 explicit affected versions
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14 explicit affected versions
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13 explicit affected versions
43 explicit affected versions
16 explicit affected versions
10 explicit affected versions
8 explicit affected versions
45 explicit affected versions
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14 explicit affected versions
11 explicit affected versions
1 explicit affected versions
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39 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe() In mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails, the function returns immediately without freeing the allocated memory for sys_controller, leading to a memory leak. Fix this by jumping to the out_free label to ensure the memory is properly freed. Also, consolidate the error handling for the mbox_request_channel() failure case to use the same label.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/5a741f8cc6fe62542f955cd8d24933a1b6589cbd
- https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1
- https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd
- https://git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0
- https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15
- https://ubuntu.com/security/CVE-2026-23464
- https://ubuntu.com/security/notices/USN-8567-1
- https://ubuntu.com/security/notices/USN-8574-1
- https://ubuntu.com/security/notices/USN-8574-2
- https://ubuntu.com/security/notices/USN-8574-3
- https://ubuntu.com/security/notices/USN-8595-1
- https://ubuntu.com/security/notices/USN-8595-2
- https://ubuntu.com/security/notices/USN-8595-3
- https://ubuntu.com/security/notices/USN-8596-1
- https://ubuntu.com/security/notices/USN-8606-1
- https://ubuntu.com/security/notices/USN-8607-1
- https://ubuntu.com/security/notices/USN-8608-1
- https://ubuntu.com/security/notices/USN-8609-1
- https://ubuntu.com/security/notices/USN-8619-1
- https://www.cve.org/CVERecord?id=CVE-2026-23464