SB2025111252 - Red Hat Enterprise Linux 9 update for kernel
Published: November 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 23 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2022-48701)
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 snd_usb_parse_audio_interface() function in sound/usb/stream.c. A local user can perform a denial of service (DoS) attack.
2) Input validation error (CVE-ID: CVE-2025-38550)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the mld_del_delrec() function in net/ipv6/mcast.c. A local user can perform a denial of service (DoS) attack.
3) Improper locking (CVE-ID: CVE-2025-38718)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the sctp_rcv() function in net/sctp/input.c. A local user can perform a denial of service (DoS) attack.
4) Improper locking (CVE-ID: CVE-2025-39697)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nfs_page_set_inode_ref(), nfs_page_group_lock() and nfs_inode_remove_request() functions in fs/nfs/write.c, within the nfs_page_group_unlock() function in fs/nfs/pagelist.c. A local user can perform a denial of service (DoS) attack.
5) Resource management error (CVE-ID: CVE-2025-39702)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the seg6_hmac_validate_skb() function in net/ipv6/seg6_hmac.c. A local user can perform a denial of service (DoS) attack.
6) 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.
7) 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.
8) 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.
9) 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.
10) 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.
11) 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.
12) Out-of-bounds read (CVE-ID: CVE-2023-53226)
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 mwifiex_process_mgmt_packet() function in drivers/net/wireless/marvell/mwifiex/util.c. A local user can perform a denial of service (DoS) attack.
13) 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.
14) Input validation error (CVE-ID: CVE-2023-53331)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the persistent_ram_post_init() function in fs/pstore/ram_core.c. A local user can perform a denial of service (DoS) attack.
15) 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.
16) 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.
17) NULL pointer dereference (CVE-ID: CVE-2023-53354)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the skb_segment() function in net/core/skbuff.c. A local user can perform a denial of service (DoS) attack.
18) Use-after-free (CVE-ID: CVE-2023-53401)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mod_objcg_state(), consume_obj_stock(), drain_obj_stock() and refill_obj_stock() functions in mm/memcontrol.c. A local user can escalate privileges on the system.
19) Use-after-free (CVE-ID: CVE-2023-53386)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hci_uuids_clear() function in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.
20) 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.
21) Use-after-free (CVE-ID: CVE-2022-50408)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the brcmf_netdev_start_xmit() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c. A local user can escalate privileges on the system.
22) 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.
23) Input validation error (CVE-ID: CVE-2023-53494)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the xts_encrypt_done() and xts_decrypt_done() functions in crypto/xts.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.