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CVE-2020-27786 A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the…
Description
A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. A write to this specific memory while freed and before use causes the flow of execution to change and possibly allow for memory corruption or privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | Versions not published |
References
- git.kernel.org git.kernel.org
- [oss-security] 20201203 Re: Linux Kernel: ALSA: use-after-free Write in snd_rawmidi_kernel_write1 www.openwall.com
- bugzilla.redhat.com bugzilla.redhat.com
- security.netapp.com security.netapp.com
Timeline
- Published
- Last modified
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