SB2024071731 - Use-after-free in Linux kernel nfc driver
Published: July 17, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48857)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nfc_digital_free_device() function in drivers/nfc/port100.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f
- https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980
- https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e
- https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161
- https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029
- https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a
- https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8
- https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.185