First published: Wed Nov 06 2019(Updated: )
A memory flaw was found in the ALSA subsystem of the Linux kernel. The struct snd_timer_instance function fails the timer->max_instances check leading to an invalid address. This could lead to a use-after-free vulnerability.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel-rt | <0:3.10.0-1160.rt56.1131.el7 | 0:3.10.0-1160.rt56.1131.el7 |
redhat/kernel | <0:3.10.0-1160.el7 | 0:3.10.0-1160.el7 |
redhat/kernel-rt | <0:4.18.0-193.13.2.rt13.65.el8_2 | 0:4.18.0-193.13.2.rt13.65.el8_2 |
redhat/kernel | <0:4.18.0-193.13.2.el8_2 | 0:4.18.0-193.13.2.el8_2 |
redhat/kernel | <0:4.18.0-147.24.2.el8_1 | 0:4.18.0-147.24.2.el8_1 |
Linux Linux kernel | >=4.9.199<4.9.201 | |
Linux Linux kernel | >=4.14.152<4.14.154 | |
Linux Linux kernel | >=4.19.82<4.19.84 | |
Linux Linux kernel | >=5.2<5.3.11 | |
Canonical Ubuntu Linux | =14.04 | |
Canonical Ubuntu Linux | =16.04 | |
Canonical Ubuntu Linux | =18.04 | |
Canonical Ubuntu Linux | =19.10 | |
Google Android | ||
debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.
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(Appears in the following advisories)