CVE-2024-36973: misc: microchip: pci1xxxx: fix double free in the error handling of gp_aux_bus_probe()
First published: Mon Jun 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: fix double free in the error handling of gp_aux_bus_probe() When auxiliary_device_add() returns error and then calls auxiliary_device_uninit(), callback function gp_auxiliary_device_release() calls ida_free() and kfree(aux_device_wrapper) to free memory. We should't call them again in the error handling path. Fix this by skipping the redundant cleanup functions.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/086c6cbcc563c81d55257f9b27e14faf1d0963d3
- https://git.kernel.org/stable/c/1efe551982297924d05a367aa2b6ec3d275d5742
- https://git.kernel.org/stable/c/34ae447b138680b5ed3660f7d935ff3faf88ba1a
- https://git.kernel.org/stable/c/86c9713602f786f441630c4ee02891987f8618b9
- https://launchpad.net/bugs/cve/CVE-2024-36973
- https://git.kernel.org/linus/086c6cbcc563c81d55257f9b27e14faf1d0963d3
- https://security-tracker.debian.org/tracker/CVE-2024-36973
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36973
- https://nvd.nist.gov/vuln/detail/CVE-2024-36973
- https://ubuntu.com/security/CVE-2024-36973
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