SB2025102901 - Red Hat Enterprise Linux 8 update for kernel
Published: October 29, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2025-22026)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nfsd_show() function in fs/nfsd/stats.c, within the nfsd_net_init() function in fs/nfsd/nfsctl.c. A local user can perform a denial of service (DoS) attack.
2) Input validation error (CVE-ID: CVE-2025-37797)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the hfsc_change_class() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.
3) Memory leak (CVE-ID: CVE-2023-53125)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the smsc75xx_rx_fixup() function in drivers/net/usb/smsc75xx.c. A local user can perform a denial of service (DoS) attack.
4) Improper locking (CVE-ID: CVE-2022-50070)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mptcp_sendmsg_frag(), mptcp_subflow_get_send() and __mptcp_push_pending() functions in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2022-50137)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the irdma_destroy_cq() function in drivers/infiniband/hw/irdma/verbs.c. A local user can escalate privileges on the system.
6) Improper error handling (CVE-ID: CVE-2022-50228)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the svm_set_irq() function in arch/x86/kvm/svm.c. A local user can perform a denial of service (DoS) attack.
7) Out-of-bounds read (CVE-ID: CVE-2025-38556)
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 snto32() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.
8) 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.
9) Buffer overflow (CVE-ID: CVE-2025-39751)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the add_tuning_control() function in sound/pci/hda/patch_ca0132.c. A local user can escalate privileges on the system.
10) Use-after-free (CVE-ID: CVE-2023-53305)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the l2cap_le_command_rej() function in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.