CVE-2022-49011
MediumIn the Linux kernel, the following vulnerability has been resolved: hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it after using to avoid refcount leak.
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-2022-49011 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
3.14
and later are affected. Fixed in
4.9.335,
4.14.301,
4.19.268,
5.4.226,
5.10.158,
5.15.82,
6.0.12,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-49011 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/0dd1da5a15eeecb2fe4cf131b3216fb455af783c
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PatchKernel patch commithttps://git.kernel.org/stable/c/2f74cffc7c85f770b1b1833dccb03b8cde3be102
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PatchKernel patch commithttps://git.kernel.org/stable/c/6e035d5a2a6b907cfce9a80c5f442c2e459cd34e
Frequently asked questions
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What is CVE-2022-49011?
CVE-2022-49011 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 3.14 onward and has been patched in 4.9.335, 4.14.301, 4.19.268 and others. CVE-2022-49011 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-2022-49011?
CVE-2022-49011 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-2022-49011?
Yes — CVE-2022-49011 has been patched. Fixed versions include 4.9.335, 4.14.301, 4.19.268 and others. If you are running Linux kernel 3.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49011 actively exploited?
No — CVE-2022-49011 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 →