CVE-2022-49671
MediumIn the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fix memory leak in ib_cm_insert_listen cm_alloc_id_priv() allocates resource for the cm_id_priv. When cm_init_listen() fails it doesn't free it, leading to memory leak. Add the missing error unwind.
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-2022-49671 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
5.7
and later are affected. Fixed in
5.10.129,
5.15.53,
5.18.10,
5.19
and their respective stable series.
References
The following references provide additional information about CVE-2022-49671 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/2990f223ffa7bb25422956b9f79f9176a5b38346
-
PatchKernel patch commithttps://git.kernel.org/stable/c/2febf09a8a8ae4accf908f043f1bab1421056568
-
PatchKernel patch commithttps://git.kernel.org/stable/c/889000874c1204e47c7f2a4945db262a47e7efc9
Frequently asked questions
-
What is CVE-2022-49671?
CVE-2022-49671 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 5.7 onward and has been patched in 5.10.129, 5.15.53, 5.18.10 and others. CVE-2022-49671 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2022-49671?
CVE-2022-49671 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-2022-49671?
Yes — CVE-2022-49671 has been patched. Fixed versions include 5.10.129, 5.15.53, 5.18.10 and others. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-49671 actively exploited?
No — CVE-2022-49671 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
-
What is Memory Leak (CWE-401)?
The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →