SB2025010809 - Red Hat Enterprise Linux 9 update for kernel
Published: January 8, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Improper locking (CVE-ID: CVE-2024-46713)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ring_buffer_init() function in kernel/events/ring_buffer.c, within the put_ctx(), perf_mmap_close(), perf_mmap() and atomic_dec() functions in kernel/events/core.c. A local user can perform a denial of service (DoS) attack.
2) Buffer overflow (CVE-ID: CVE-2024-50208)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the bnxt_qplib_alloc_init_hwq() function in drivers/infiniband/hw/bnxt_re/qplib_res.c. A local user can escalate privileges on the system.
3) Memory leak (CVE-ID: CVE-2024-50252)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mlxsw_sp_ipip_ol_netdev_change_gre6() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c. A local user can perform a denial of service (DoS) attack.
4) Division by zero (CVE-ID: CVE-2024-53122)
CWE-ID: CWE-369 - Divide By Zero
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero error within the mptcp_rcv_space_adjust() function in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.