SB2025111242 - Red Hat Enterprise Linux 8 update for kernel
Published: November 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-53257)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ieee80211_rx_h_action() function in net/mac80211/rx.c. A local user can perform a denial of service (DoS) attack.
2) Out-of-bounds read (CVE-ID: CVE-2023-53213)
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 brcmf_get_assoc_ies() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. A local user can perform a denial of service (DoS) attack.
3) Input validation error (CVE-ID: CVE-2023-53185)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the htc_process_conn_rsp() function in drivers/net/wireless/ath/ath9k/htc_hst.c. A local user can perform a denial of service (DoS) attack.
4) NULL pointer dereference (CVE-ID: CVE-2023-53232)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mt7921_mcu_parse_response() function in drivers/net/wireless/mediatek/mt76/mt7921/mcu.c. A local user can perform a denial of service (DoS) attack.
5) 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.
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) Use-after-free (CVE-ID: CVE-2023-53373)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the seqiv_aead_encrypt_complete2() function in crypto/seqiv.c. A local user can escalate privileges on the system.
9) Use-after-free (CVE-ID: CVE-2022-50386)
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_connect_create_rsp() function in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.
10) Use-after-free (CVE-ID: CVE-2025-39864)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cfg80211_update_known_bss() function in net/wireless/scan.c. A local user can escalate privileges on the system.
11) Use-after-free (CVE-ID: CVE-2025-39841)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the lpfc_nvmet_defer_rcv() function in drivers/scsi/lpfc/lpfc_nvmet.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.