CVE-2021-47104
Vulnerability Summary
Timeline
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
- v3.1•MEDIUM•Score: 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-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.
Affected Systems
- linux•linux
≥ 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
- linux•linux_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)
- https://git.kernel.org/stable/c/1ced0a3015a95c6a6db45e37250912c4c86697ab
- https://git.kernel.org/stable/c/76b648063eb36c72dfc0a6896de8a0a7d2c7841c
- https://git.kernel.org/stable/c/d53456492b5d02033c73dfa0f3b94c86337791ba
- https://git.kernel.org/stable/c/0aaec9c5f60754b56f84460ea439b8c5e91f4caa
- https://git.kernel.org/stable/c/79dcbd8176152b860028b62f81a635d987365752
- https://git.kernel.org/stable/c/7cf6466e00a77b0a914b7b2c28a1fc7947d55e59
- https://git.kernel.org/stable/c/aefcc25f3a0cd28a87d11d41d30419a12cd26a34
- https://git.kernel.org/stable/c/bee90911e0138c76ee67458ac0d58b38a3190f65