SB2025110616 - Red Hat Enterprise Linux 9 update for kernel
Published: November 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2024-46679)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the speed_show() function in net/core/net-sysfs.c, within the __ethtool_get_link_ksettings() function in net/core/ethtool.c. A local user can perform a denial of service (DoS) attack.
2) Input validation error (CVE-ID: CVE-2025-39730)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nfs_fh_to_dentry() function in fs/nfs/export.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2023-53178)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the zswap_writeback_entry() function in mm/zswap.c. A local user can escalate privileges on the system.
4) Input validation error (CVE-ID: CVE-2023-53331)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the persistent_ram_post_init() function in fs/pstore/ram_core.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2022-50367)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the inode_init_always() function in fs/inode.c. A local user can escalate privileges on the system.
6) Use-after-free (CVE-ID: CVE-2023-53401)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mod_objcg_state(), consume_obj_stock(), drain_obj_stock() and refill_obj_stock() functions in mm/memcontrol.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.