#VU62484 Memory leak in Linux kernel - CVE-2022-26878
Published: April 21, 2022
Vulnerability identifier: #VU62484
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-26878
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the drivers/bluetooth/virtio_bt.c file in the Linux kernel. A local user can trigger leak memory and perform denial of service attack.
Remediation
Install updates from vendor's website.
External links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18
- https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58@holtmann.org/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17
- http://www.openwall.com/lists/oss-security/2022/03/11/1