CVE-2022-50858 | THREATINT

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: alcor: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and calling mmc_free_host() in the error path.

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | Assigner Linux

Product status

Default status

unaffected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before 289c964fe182ce755044a6cd57698072e12ffa6f

affected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before 4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2

affected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before 29c5b4da41f35108136d843c7432885c78cf8272

affected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before 48dc06333d75f41c2ce9ba954bc3231324b45914

affected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before 60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2

affected

c5413ad815a675b5c98a002353d8e96b44b164e9 (git) before e93d1468f429475a753d6baa79b853b7ee5ef8c0

affected

Default status

affected

5.0

affected

Any version before 5.0

unaffected

5.4.229 (semver)

unaffected

5.10.163 (semver)

unaffected

5.15.86 (semver)

unaffected

6.0.16 (semver)

unaffected

6.1.2 (semver)

unaffected

6.2 (original_commit_for_fix)

unaffected

References

git.kernel.org/...c/289c964fe182ce755044a6cd57698072e12ffa6f

git.kernel.org/...c/4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2

git.kernel.org/...c/29c5b4da41f35108136d843c7432885c78cf8272

git.kernel.org/...c/48dc06333d75f41c2ce9ba954bc3231324b45914

git.kernel.org/...c/60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2

git.kernel.org/...c/e93d1468f429475a753d6baa79b853b7ee5ef8c0

cve.org (CVE-2022-50858)

nvd.nist.gov (CVE-2022-50858)

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