Buffer overflow in Linux kernel - CVE-2022-49267
Published: March 10, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105464
CSH Severity: Low
CVSS v4.0: 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-2022-49267
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error caused by usage of sprintf() function in drivers/mmc/core/bus.c, drivers/mmc/core/sdio.c, drivers/mmc/core/sdio_bus.c, drivers/mmc/core/sd.c, and drivers/mmc/core/mmc.c files. A local user can trigger memory corruption and execute arbitrary code on the target system.
How to mitigate CVE-2022-49267
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/659ca56b5415c7a1d05e185c36fad80ba165d063
- https://git.kernel.org/stable/c/c4ab65738ab3e21fe519ee46b2051222bc8e32ef
- https://git.kernel.org/stable/c/f5d8a5fe77ce933f53eb8f2e22bb7a1a2019ea11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18