SB2025070941 - Red Hat Enterprise Linux 9 update for kernel
Published: July 9, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-1652)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nfsd4_ssc_setup_dul() function in fs/nfsd/nfs4proc.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
2) Use-after-free (CVE-ID: CVE-2025-37738)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ext4_xattr_inode_dec_ref_all() function in fs/ext4/xattr.c. A local user can escalate privileges on the system.
3) Out-of-bounds read (CVE-ID: CVE-2022-49846)
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 udf_find_entry() function in fs/udf/namei.c. A local user can perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2022-50066)
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 aq_nic_service_timer_cb(), aq_nic_get_regs_count(), aq_nic_get_stats(), aq_nic_set_loopback() and aq_nic_stop() functions in drivers/net/ethernet/aquantia/atlantic/aq_nic.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.