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Ubuntu.comUB:CVE-2021-47032HistoryFeb 28, 2024 - 12:00 a.m.
CVE-2021-47032
2024-02-2800:00:00
ubuntu.com
ubuntu.com
8
linux kernel mt76 mt7915 vulnerability dma mapping
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
Notes
| Author | Note |
|---|---|
| rodrigo-zaiden | same fix as CVE-2021-47033, for a different platform. similar issue as in CVE-2021-47064. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
References
git.kernel.org/linus/7dcf3c04f0aca746517a77433b33d40868ca4749 (5.13-rc1)
git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462
git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e
git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749
git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7
launchpad.net/bugs/cve/CVE-2021-47032
nvd.nist.gov/vuln/detail/CVE-2021-47032
security-tracker.debian.org/tracker/CVE-2021-47032
www.cve.org/CVERecord?id=CVE-2021-47032
Related
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CVE-2021-47064
2024-02-29 00:00:00
CVE-2021-47033
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CVE-2021-47033 mt76: mt7615: fix tx skb dma unmap
2024-02-28 08:13:42
CVE-2021-47064 mt76: fix potential DMA mapping leak
2024-02-29 22:37:38
CVE-2021-47032 mt76: mt7915: fix tx skb dma unmap
2024-02-28 08:13:41
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