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Ubuntu.comUB:CVE-2021-47601HistoryJun 20, 2024 - 12:00 a.m.
CVE-2021-47601
2024-06-2000:00:00
ubuntu.com
ubuntu.com
linux kernel
vulnerability
amdtee tee
is_err()
null bug
null dereference
__get_free_pages() function
In the Linux kernel, the following vulnerability has been resolved:
tee: amdtee: fix an IS_ERR() vs NULL bug
The __get_free_pages() function does not return error pointers it returns
NULL so fix this condition to avoid a NULL dereference.
| 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/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 (5.16-rc6)
git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442
git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1
git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6
launchpad.net/bugs/cve/CVE-2021-47601
nvd.nist.gov/vuln/detail/CVE-2021-47601
security-tracker.debian.org/tracker/CVE-2021-47601
www.cve.org/CVERecord?id=CVE-2021-47601
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2024-06-19 14:54:01