CVE-2021-47104

Analyzed
Published: 04 Mar 2024, 18:15
Last modified:23 May 2026, 15:19

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Mar 2024, 18:15
Published
Vulnerability first disclosed
23 May 2026, 15:19
Last Modified
Vulnerability information updated

Description

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")

CVSS Metrics

  • v3.1MEDIUMScore: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01% Percentile: 2%

Techniques & Countermeasures

  • CWE-401Missing 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.

Affected Systems

  • linuxlinux

    ≥ bda41654b6e0c125a624ca35d6d20beb8015b5d0, < 1ced0a3015a95c6a6db45e37250912c4c86697ab | ≥ 3f57c3f67fd93b4da86aeffea1ca32c484d054ad, < 76b648063eb36c72dfc0a6896de8a0a7d2c7841c | ≥ 60833707b968d5ae02a75edb7886dcd4a957cf0d, < d53456492b5d02033c73dfa0f3b94c86337791ba | ≥ 73d2892148aa4397a885b4f4afcfc5b27a325c42, < 0aaec9c5f60754b56f84460ea439b8c5e91f4caa | ≥ 0f8cdfff06829a0b0348b6debc29ff6a61967724, < 79dcbd8176152b860028b62f81a635d987365752 | ≥ c3e17e58f571f34c51aeb17274ed02c2ed5cf780, < 7cf6466e00a77b0a914b7b2c28a1fc7947d55e59 | ≥ d39bf40e55e666b5905fdbd46a0dced030ce87be, < aefcc25f3a0cd28a87d11d41d30419a12cd26a34 | ≥ d39bf40e55e666b5905fdbd46a0dced030ce87be, < bee90911e0138c76ee67458ac0d58b38a3190f65 | 0d4395477741608d123dad51def9fe50b7ebe952 | ≥ 4.4.292, < 4.4.297 | ≥ 4.9.290, < 4.9.295 | ≥ 4.14.255, < 4.14.260 | ≥ 4.19.216, < 4.19.223 | ≥ 5.4.157, < 5.4.169 | ≥ 5.10.77, < 5.10.89 | ≥ 5.14.16, < 5.15 | 5.15

  • linuxlinux_kernel

    ≥ 4.4.292, < 4.4.297 | ≥ 4.9.290, < 4.9.295 | ≥ 4.14.255, < 4.14.260 | ≥ 4.19.216, < 4.19.223 | ≥ 5.4.157, < 5.4.169 | ≥ 5.10.77, < 5.10.89 | ≥ 5.15, < 5.15.12 | 5.16:rc1 | 5.16:rc2 | 5.16:rc3 | 5.16:rc4 | 5.16:rc5 | 5.16:rc6

References (8)