SB2025071403 - Red Hat Enterprise Linux 9 update for kernel
Published: July 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2022-49395)
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 write_ldt_entry() function in arch/x86/um/ldt.c. A local user can perform a denial of service (DoS) attack.
2) Memory leak (CVE-ID: CVE-2022-49122)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the lookup_ioctl() function in drivers/md/dm-ioctl.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2025-21759)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mld_send_cr() and igmp6_send() functions in net/ipv6/mcast.c. A local user can escalate privileges on the system.
4) Input validation error (CVE-ID: CVE-2023-52933)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the squashfs_xattr_lookup() function in fs/squashfs/xattr_id.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2025-22004)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the lec_send() function in net/atm/lec.c. A local user can escalate privileges on the system.
6) Use-after-free (CVE-ID: CVE-2025-22121)
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_check_block(), __xattr_check_inode(), ext4_xattr_ibody_get(), ext4_xattr_ibody_list(), ext4_get_inode_usage(), ext4_xattr_ibody_find() and sizeof() functions in fs/ext4/xattr.c, within the ext4_iget_extra_inode() function in fs/ext4/inode.c. A local user can escalate privileges on the system.
7) Out-of-bounds read (CVE-ID: CVE-2025-22104)
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 vnic_add_client_data(), send_login(), handle_query_ip_offload_rsp() and handle_login_rsp() functions in drivers/net/ethernet/ibm/ibmvnic.c. A local user can perform a denial of service (DoS) attack.
8) 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.
9) 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.
10) 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.