SB2025122256 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel
Published: December 22, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2025-38729)
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 validate_uac3_feature_unit() and FUNC() functions in sound/usb/validate.c. A local user can perform a denial of service (DoS) attack.
2) Out-of-bounds read (CVE-ID: CVE-2025-39757)
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 convert_chmap_v3() and snd_usb_get_audioformat_uac3() functions in sound/usb/stream.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-2023-53297)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the l2cap_disconnect_rsp() function in net/bluetooth/l2cap_core.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2023-53322)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the qla2x00_terminate_rport_io() function in drivers/scsi/qla2xxx/qla_attr.c. A local user can escalate privileges on the system.
6) 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.
7) NULL pointer dereference (CVE-ID: CVE-2022-50356)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sfb_reset() function in net/sched/sch_sfb.c. A local user can perform a denial of service (DoS) attack.
8) Out-of-bounds read (CVE-ID: CVE-2022-50403)
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 fs/ext4/ext4.h. A local user can perform a denial of service (DoS) attack.
9) Buffer overflow (CVE-ID: CVE-2022-50410)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nfsd_proc_read() function in fs/nfsd/nfsproc.c. A local user can escalate privileges on the system.
10) NULL pointer dereference (CVE-ID: CVE-2022-50406)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the iomap_writepage_map() function in fs/iomap/buffered-io.c. A local user can perform a denial of service (DoS) attack.
11) Resource management error (CVE-ID: CVE-2025-39955)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the tcp_disconnect() function in net/ipv4/tcp.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.