First published: Tue Mar 30 2021(Updated: )
An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Linux Kernel | <5.11.11 | |
Fedoraproject Fedora | =32 | |
Fedoraproject Fedora | =33 | |
Fedoraproject Fedora | =34 | |
debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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CVE-2021-29649 has a medium severity rating due to the potential memory leak in the user mode driver.
To fix CVE-2021-29649, update your Linux kernel to version 5.11.11 or later.
CVE-2021-29649 affects Linux kernel versions before 5.11.11 and specific Fedora versions 32, 33, and 34.
CVE-2021-29649 can lead to increased memory usage which may result in a denial of service under certain conditions.
CVE-2021-29649 was discovered before the release of Linux kernel version 5.11.11.