PT-2021-8078 · Linux+3 · Linux Kernel+3
Yuwen Ng
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Published
2021-12-21
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Updated
2024-08-19
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CVE-2021-46930
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is caused by the uninitialization of
list head in the mtu3 component of the Linux kernel. This can lead to a use-after-free error in the list del entry valid function. The call trace includes functions such as dump backtrace, show stack, dump stack, print address description, kasan report, kasan report, and asan load8. The vulnerability is related to the mtu3 req complete and mtu3 gadget stop functions. There is no information about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Red Os
Suse