CVE-2022-50464
MediumIn the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2() As comment of pci_get_device() says, it returns a pci_device with its refcount increased. We need to call pci_dev_put() to decrease the refcount. Save the return value of pci_get_device() and call pci_dev_put() to decrease the refcount.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
5.12
and later are affected. Fixed in
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50464 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/2d4b9c7e81f3a4df27749ebecb426b145e68be2a
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PatchKernel patch commithttps://git.kernel.org/stable/c/5938196cc188ba4323bc6357f5ac55127d715888
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PatchKernel patch commithttps://git.kernel.org/stable/c/8abc6579667129afd13ff2ccb0319ba3f46e6995
Frequently asked questions
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What is CVE-2022-50464?
CVE-2022-50464 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.12 onward and has been patched in 6.0.16, 6.1.2 and 6.2. CVE-2022-50464 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-50464?
CVE-2022-50464 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-50464?
Yes — CVE-2022-50464 has been patched. Fixed versions include 6.0.16, 6.1.2 and 6.2. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50464 actively exploited?
No — CVE-2022-50464 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.