In vt_do_kdgkb_ioctl of keyboard.c, there is a possible use after free read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-25656US | medium4.1 | — | ||
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get… | ||||
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references
External citations — patches, advisories, analysis.
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