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Medium ELSA-2025-19447 3 CVEs

Moderate: kernel security update (Oracle Linux 8)

Published Nov 3, 2025 · Updated Nov 3, 2025

Summary

[4.18.0-553.82.1]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]

[4.18.0-553.82.1]
- smb: client: fix missing timestamp updates after utime(2) (Paulo Alcantara) [RHEL-109431]
- cifs: fix leak of iface for primary channel (Paulo Alcantara) [RHEL-109546]
- cifs: reset iface weights when we cannot find a candidate (Paulo Alcantara) [RHEL-109546]
- cifs: deal with the channel loading lag while picking channels (Paulo Alcantara) [RHEL-109546]
- smb3: missing lock when picking channel (Paulo Alcantara) [RHEL-109546] {CVE-2024-35999}
- smb: client: fix potential deadlock when reconnecting channels (Paulo Alcantara) [RHEL-109546] {CVE-2025-38244}
- cifs: update dstaddr whenever channel iface is updated (Paulo Alcantara) [RHEL-109546]
- smb: client: fix oops due to unset link speed (Paulo Alcantara) [RHEL-109546] {CVE-2025-21725}
- smb: client: fix use-after-free of signing key (Paulo Alcantara) [RHEL-109546] {CVE-2024-53179}
- smb: client: fix UAF in smb2_reconnect_server() (Paulo Alcantara) [RHEL-109546] {CVE-2024-35870}
- cifs: failure to add channel on iface should bump up weight (Paulo Alcantara) [RHEL-109546]
- cifs: update iface_last_update on each query-and-update (Paulo Alcantara) [RHEL-109546]
- cifs: do not depend on release_iface for maintaining iface_list (Paulo Alcantara) [RHEL-109546]
- cifs: cifs_chan_is_iface_active should be called with chan_lock held (Paulo Alcantara) [RHEL-109546]
- cifs: account for primary channel in the interface list (Paulo Alcantara) [RHEL-109546]
- cifs: distribute channels across interfaces based on speed (Paulo Alcantara) [RHEL-109546]
- cifs: handle cases where a channel is closed (Paulo Alcantara) [RHEL-109546]
- cifs: force interface update before a fresh session setup (Paulo Alcantara) [RHEL-109546]
- cifs: do not reset chan_max if multichannel is not supported at mount (Paulo Alcantara) [RHEL-109546]
- cifs: reconnect helper should set reconnect for the right channel (Paulo Alcantara) [RHEL-109546]
- smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (Paulo Alcantara) [RHEL-109546] {CVE-2023-52752}
- cifs: print last update time for interface list (Paulo Alcantara) [RHEL-109546]
- cifs: fix session state transition to avoid use-after-free issue (Paulo Alcantara) [RHEL-109546]
- cifs: log session id when a matching ses is not found (Paulo Alcantara) [RHEL-109546]
- cifs: fix session state check in smb2_find_smb_ses (Paulo Alcantara) [RHEL-109546]
- cifs: fix session state check in reconnect to avoid use-after-free issue (Paulo Alcantara) [RHEL-109546]
- cifs: do all necessary checks for credits within or before locking (Paulo Alcantara) [RHEL-109546]
- cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname (Paulo Alcantara) [RHEL-109546]
- cifs: print smb3_fs_context::source when mounting (Paulo Alcantara) [RHEL-109546]
- cifs: protect session status check in smb2_reconnect() (Paulo Alcantara) [RHEL-109546]
- cifs: missing lock when updating session status (Paulo Alcantara) [RHEL-109546]
- cifs: refcount only the selected iface during interface update (Paulo Alcantara) [RHEL-109546]
- cifs: double lock in cifs_reconnect_tcon() (Paulo Alcantara) [RHEL-109546]
- cifs: get rid of dead check in smb2_reconnect() (Paulo Alcantara) [RHEL-109546]
- cifs: avoid races in parallel reconnects in smb1 (Paulo Alcantara) [RHEL-109546]
- cifs: fix missing unload_nls() in smb2_reconnect() (Paulo Alcantara) [RHEL-109546]
- cifs: avoid race conditions with parallel reconnects (Paulo Alcantara) [RHEL-109546]
- cifs: empty interface list when server doesn't support query interfaces (Paulo Alcantara) [RHEL-109546]
- cifs: do not poll server interfaces too regularly (Paulo Alcantara) [RHEL-109546]
- cifs: generate signkey for the channel that's reconnecting (Paulo Alcantara) [RHEL-109546]
- cifs: Move the in_send statistic to __smb_send_rqst() (Paulo Alcantara) [RHEL-109546]
- cifs: prevent data race in cifs_reconnect_tcon() (Paulo Alcantara) [RHEL-109546]
- cifs: reuse cifs_match_ipaddr for comparison of dstaddr too (Paulo Alcantara) [RHEL-109546]
- cifs: match even the scope id for ipv6 addresses (Paulo Alcantara) [RHEL-109546]
- cifs: update ip_addr for ses only for primary chan setup (Paulo Alcantara) [RHEL-109546]
- cifs: use tcon allocation functions even for dummy tcon (Paulo Alcantara) [RHEL-109546]
- cifs: use the least loaded channel for sending requests (Paulo Alcantara) [RHEL-109546]
- cifs: get rid of dns resolve worker (Paulo Alcantara) [RHEL-109546]
- cifs: prevent data race in smb2_reconnect() (Paulo Alcantara) [RHEL-109546]
- cifs: do not query ifaces on smb1 mounts (Paulo Alcantara) [RHEL-109546]
- cifs: fix interface count calculation during refresh (Paulo Alcantara) [RHEL-109546]
- cifs: protect access of TCP_Server_Info::{dstaddr,hostname} (Paulo Alcantara) [RHEL-109546]
- cifs: fix race in assemble_neg_contexts() (Paulo Alcantara) [RHEL-109546]
- cifs: set correct status of tcon ipc when reconnecting (Paulo Alcantara) [RHEL-109546]
- cifs: set correct ipc status after initial tree connect (Paulo Alcantara) [RHEL-109546]
- cifs: set correct tcon status after initial tree connect (Paulo Alcantara) [RHEL-109546]
- cifs: Use after free in debug code (Paulo Alcantara) [RHEL-109546]
- cifs: avoid unnecessary iteration of tcp sessions (Paulo Alcantara) [RHEL-109546]
- smb3: interface count displayed incorrectly (Paulo Alcantara) [RHEL-109546]
- cifs: Fix xid leak in cifs_ses_add_channel() (Paulo Alcantara) [RHEL-109546]
- smb3: clarify multichannel warning (Paulo Alcantara) [RHEL-109546]
- smb3: do not log confusing mes

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.82.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.82.1.el8_10

Vulnerabilities 3

  • High 8.8

    wifi: mwifiex: Fix OOB and integer underflow when rx packets

    In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_…

  • High 8.8

    wifi: cfg80211: fix use-after-free in cmp_bss()

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bs…

  • High 7.1

    wifi: mac80211: check S1G action frame size

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, check that it even exists in the frame.