SB20240531385 - Memory leak in Linux kernel core en driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531385
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-47199)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the parse_tc_nic_actions() and parse_tc_fdb_actions() functions in drivers/net/ethernet/mellanox/mlx5/core/en_tc.c, within the mlx5_tc_ct_match_add(), mlx5_tc_ct_parse_action() and __mlx5_tc_ct_flow_offload_clear() functions in drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.