CVE-2021-47104 : In the Linux kernel, the following vulnerability has been resolved: IB/qib: Fix

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() The wrong goto label was used for the error case and missed cleanup of the pkt allocation. Addresses-Coverity-ID: 1493352 ("Resource leak")

Published 2024-03-04 19:15:19

Updated 2025-01-07 17:32:25

Source Linux

View at NVD, CVE.org

Products affected by CVE-2021-47104

Linux » Linux Kernel
Versions from including (>=) 4.9.290 and before (<) 4.9.295
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.10.77 and before (<) 5.10.89
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.15 and before (<) 5.15.12
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.4.157 and before (<) 5.4.169
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.14.255 and before (<) 4.14.260
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.4.292 and before (<) 4.4.297
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.19.216 and before (<) 4.19.223
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC1
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC2
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC3
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC4
cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC5
cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.16 Update RC6
cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-47104

EPSS FAQ

0.01%

Probability of exploitation activity in the next 30 days EPSS Score History

~ %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-47104

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
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-47104

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-47104

https://git.kernel.org/stable/c/7cf6466e00a77b0a914b7b2c28a1fc7947d55e59

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/79dcbd8176152b860028b62f81a635d987365752

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/0aaec9c5f60754b56f84460ea439b8c5e91f4caa

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/76b648063eb36c72dfc0a6896de8a0a7d2c7841c

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/1ced0a3015a95c6a6db45e37250912c4c86697ab

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/bee90911e0138c76ee67458ac0d58b38a3190f65

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/aefcc25f3a0cd28a87d11d41d30419a12cd26a34

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/d53456492b5d02033c73dfa0f3b94c86337791ba

IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() - kernel/git/stable/linux.git - Linux kernel stable tree
Patch

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Vulnerability Details : CVE-2021-47104

Products affected by CVE-2021-47104

Exploit prediction scoring system (EPSS) score for CVE-2021-47104

CVSS scores for CVE-2021-47104

CWE ids for CVE-2021-47104

References for CVE-2021-47104