CVE-2022-48782
Last modified
CVE-2022-48782 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.16, < 5.16.11 |
References
- https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
- https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
- https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
- https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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