Vulnerability Details : CVE-2021-47122
In the Linux kernel, the following vulnerability has been resolved:
net: caif: fix memory leak in caif_device_notify
In case of caif_enroll_dev() fail, allocated
link_support won't be assigned to the corresponding
structure. So simply free allocated pointer in case
of error
Products affected by CVE-2021-47122
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47122
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47122
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2025-01-07 |
CWE ids for CVE-2021-47122
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47122
-
https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d
net: caif: fix memory leak in caif_device_notify - kernel/git/stable/linux.git - Linux kernel stable treePatch
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