Ubuntu.comUB:CVE-2022-48730CVE-2022-48730
In the Linux kernel, the following vulnerability has been resolved:
dma-buf: heaps: Fix potential spectre v1 gadget
It appears like nr could be a Spectre v1 gadget as it’s supplied by a
user and used as an array index. Prevent the contents
of kernel memory from being leaked to userspace via speculative
execution by using array_index_nospec.
[sumits: added fixes and cc: stable tags]
| 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/92c4cfaee6872038563c5b6f2e8e613f9d84d47d (5.17-rc3)
git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e
git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a
git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d
git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed
launchpad.net/bugs/cve/CVE-2022-48730
nvd.nist.gov/vuln/detail/CVE-2022-48730
security-tracker.debian.org/tracker/CVE-2022-48730
www.cve.org/CVERecord?id=CVE-2022-48730
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