Vulnerability Details : CVE-2021-47032
In the Linux kernel, the following vulnerability has been resolved:
mt76: mt7915: fix tx skb dma unmap
The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries
Products affected by CVE-2021-47032
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47032
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-2021-47032
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 | 2024-12-12 |
CWE ids for CVE-2021-47032
-
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-2021-47032
-
https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e
mt76: mt7915: fix tx skb dma unmap - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462
mt76: mt7915: fix tx skb dma unmap - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749
mt76: mt7915: fix tx skb dma unmap - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7
mt76: mt7915: fix tx skb dma unmap - kernel/git/stable/linux.git - Linux kernel stable treePatch
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