CVE-2022-49676
MediumIn the Linux kernel, the following vulnerability has been resolved: memory: samsung: exynos5422-dmc: Fix refcount leak in of_get_dram_timings of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function doesn't call of_node_put() in some error paths. To unify the structure, Add put_node label and goto it on errors.
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
5.5
and later are affected. Fixed in
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-2022-49676 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/1332661e09304b7b8e84e5edc11811ba08d12abe
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PatchKernel patch commithttps://git.kernel.org/stable/c/889aad2203e09eed2071ca8985c25e9d6aea5735
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PatchKernel patch commithttps://git.kernel.org/stable/c/bb2a481778c60f912c363e271ae46b55ff8132db
Frequently asked questions
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What is CVE-2022-49676?
CVE-2022-49676 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.5 onward and has been patched in 5.10.127, 5.15.51, 5.18.8 and others. CVE-2022-49676 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-2022-49676?
CVE-2022-49676 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-2022-49676?
Yes — CVE-2022-49676 has been patched. Fixed versions include 5.10.127, 5.15.51, 5.18.8 and others. If you are running Linux kernel 5.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49676 actively exploited?
No — CVE-2022-49676 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.