SB2024092417 - Red Hat Enterprise Linux 8 update for kernel
Published: September 24, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-36886)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.
2) Information disclosure (CVE-ID: CVE-2024-26993)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the sysfs_break_active_protection() function in fs/sysfs/file.c. A local user can gain access to sensitive information.
3) Out-of-bounds read (CVE-ID: CVE-2024-41071)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ieee80211_prep_hw_scan() function in net/mac80211/scan.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.