#VU99095 Buffer overflow in Linux kernel - CVE-2022-48947
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99095
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48947
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the l2cap_config_req() function in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/49d5867819ab7c744852b45509e8469839c07e0e
- https://git.kernel.org/stable/c/95f1847a361c7b4bf7d74c06ecb6968455082c1a
- https://git.kernel.org/stable/c/ad528fde0702903208d0a79d88d5a42ae3fc235b
- https://git.kernel.org/stable/c/9fdc79b571434af7bc742da40a3405f038b637a7
- https://git.kernel.org/stable/c/f3fe6817156a2ad4b06f01afab04638a34d7c9a6
- https://git.kernel.org/stable/c/19a78143961a197de8502f4f29c453b913dc3c29
- https://git.kernel.org/stable/c/5550bbf709c323194881737fd290c4bada9e6ead
- https://git.kernel.org/stable/c/bcd70260ef56e0aee8a4fc6cd214a419900b0765
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.337
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.161
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1