CVE-2022-49652
MediumIn the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this.
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
4.5
and later are affected. Fixed in
4.9.323,
4.14.288,
4.19.252,
5.4.205,
5.10.130,
5.15.54,
5.18.11,
5.19
and their respective stable series.
References
The following references provide additional information about CVE-2022-49652 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/37147e22cd8dfc0412495cb361708836157a4486
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PatchKernel patch commithttps://git.kernel.org/stable/c/3bd66010398871807c1cebacee07d60ded1b1402
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PatchKernel patch commithttps://git.kernel.org/stable/c/452b9dfd7aca96befce22634fadb111737f22bbe
Frequently asked questions
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What is CVE-2022-49652?
CVE-2022-49652 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.5 onward and has been patched in 4.9.323, 4.14.288, 4.19.252 and others. CVE-2022-49652 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-2022-49652?
CVE-2022-49652 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-2022-49652?
Yes — CVE-2022-49652 has been patched. Fixed versions include 4.9.323, 4.14.288, 4.19.252 and others. If you are running Linux kernel 4.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49652 actively exploited?
No — CVE-2022-49652 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.