CVE-2022-49681
MediumIn the Linux kernel, the following vulnerability has been resolved: xtensa: xtfpga: Fix refcount leak bug in setup In machine_setup(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
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
3.8
and later are affected. Fixed in
4.9.321,
4.14.286,
4.19.250,
5.4.202,
5.10.127,
5.15.51,
5.18.8,
5.19
and their respective stable series.
References
The following references provide additional information about CVE-2022-49681 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/0162451723178602c37f0555d235dfa17e486112
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PatchKernel patch commithttps://git.kernel.org/stable/c/0715d0e60052662c3f225342062f174dd721d1c7
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PatchKernel patch commithttps://git.kernel.org/stable/c/173940b3ae40114d4179c251a98ee039dc9cd5b3
Frequently asked questions
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What is CVE-2022-49681?
CVE-2022-49681 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.8 onward and has been patched in 4.9.321, 4.14.286, 4.19.250 and others. CVE-2022-49681 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-2022-49681?
CVE-2022-49681 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-2022-49681?
Yes — CVE-2022-49681 has been patched. Fixed versions include 4.9.321, 4.14.286, 4.19.250 and others. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49681 actively exploited?
No — CVE-2022-49681 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.