mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()
In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put() pci_get_device() will increase the reference count for the returned pci_dev. We need to use pci_dev_put() to decrease the reference count before amd_probe() returns. There is no problem for the 'smbus_dev == NULL' branch because pci_dev_put() can also handle the NULL input parameter case.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put() pci_get_device() will increase the reference count for the returned pci_dev. We need to use pci_dev_put() to decrease the reference count before amd_probe() returns. There is no problem for the 'smbus_dev == NULL' branch because pci_dev_put() can also handle the NULL input parameter case.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/222cfa0118aa68687ace74aab8fdf77ce8fbd7e6
- https://git.kernel.org/stable/c/27f712cd47d65e14cd52cc32a23d42aeef583d5d
- https://git.kernel.org/stable/c/35bca18092685b488003509fef7055aa2d4f2ebc
- https://git.kernel.org/stable/c/4423866d31a06a810db22062ed13389416a66b22
- https://git.kernel.org/stable/c/5dbd6378dbf96787d6dbcca44156c511ae085ea3
- https://git.kernel.org/stable/c/7570e5b5419ffd34b6dc45a88c51e113a9a187e3
- https://git.kernel.org/stable/c/a99a547658e5d451f01ed307426286716b6f01bf
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49787.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49787