SB20240611143 - Red Hat Enterprise Linux 8.2 Advanced Update Support update for kernel
Published: June 11, 2024 Updated: December 19, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2023-2166)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in net/can/af_can.c when processing CAN frames. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.
2) Out-of-bounds read (CVE-ID: CVE-2023-2176)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the compare_netdev_and_ip() function in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
3) Use-after-free (CVE-ID: CVE-2024-1086)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.
4) Race condition (CVE-ID: CVE-2023-52578)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a data race within the br_handle_frame_finish() function in net/bridge/br_input.c. A local user can exploit the race and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.