CVE-2022-49817
MediumIn the Linux kernel, the following vulnerability has been resolved: net: mhi: Fix memory leak in mhi_net_dellink() MHI driver registers network device without setting the needs_free_netdev flag, and does NOT call free_netdev() when unregisters network device, which causes a memory leak. This patch calls free_netdev() to fix it since netdev_priv is used after unregister.
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
Weakness type
CWE-401CVE-2022-49817 is a Memory Leak vulnerability
What is Memory Leak?
The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE
Affected versions
Linux kernel versions
5.14
and later are affected. Fixed in
5.15.80,
6.0.10,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-49817 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/25a270343b0f16e1f6e65f541a15975a35e238ff
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PatchKernel patch commithttps://git.kernel.org/stable/c/88da008e5e2f9753726ea5a51ef2eb144e9de927
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PatchKernel patch commithttps://git.kernel.org/stable/c/f7c125bd79f50ec6094761090be81d02726ec6f4
Frequently asked questions
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What is CVE-2022-49817?
CVE-2022-49817 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.14 onward and has been patched in 5.15.80, 6.0.10 and 6.1. CVE-2022-49817 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-2022-49817?
CVE-2022-49817 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-2022-49817?
Yes — CVE-2022-49817 has been patched. Fixed versions include 5.15.80, 6.0.10 and 6.1. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49817 actively exploited?
No — CVE-2022-49817 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Memory Leak (CWE-401)?
The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →