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Ubuntu.comUB:CVE-2021-47601HistoryJun 19, 2024 - 12:00 a.m.
CVE-2021-47601
2024-06-1900:00:00
ubuntu.com
ubuntu.com
6
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.
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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