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High ELSA-2025-12752 6 CVEs

Important: kernel security update (Oracle Linux 8)

Published Aug 5, 2025 · Updated Aug 5, 2025

Summary

[4.18.0-553.66.1_10.OL8]
- 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]

[4.18.0-553.66.1_10]
- net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (Xin Long) [RHEL-105415] {CVE-2025-38001}
- sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (Xin Long) [RHEL-105415] {CVE-2025-38000}
- net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CKI Backport Bot) [RHEL-105415] {CVE-2025-37890}
- sch_hfsc: make hfsc_qlen_notify() idempotent (Xin Long) [RHEL-105415]
- crypto: algif_hash - fix double free in hash_accept (CKI Backport Bot) [RHEL-102223] {CVE-2025-38079}
- Revert 'smb: client: fix TCP timers deadlock after rmmod' (Paulo Alcantara) [RHEL-100698] {CVE-2025-22077}
- Revert 'smb: client: Fix netns refcount imbalance causing leaks and use-after-free' (Paulo Alcantara) [RHEL-100698]
- smb: client: Fix netns refcount imbalance causing leaks and use-after-free (Paulo Alcantara) [RHEL-100698]
- smb: client: fix TCP timers deadlock after rmmod (Paulo Alcantara) [RHEL-100698] {CVE-2024-54680}
- smb: client: Fix use-after-free of network namespace. (Paulo Alcantara) [RHEL-100698] {CVE-2024-53095}
- smb: client: fix warning in generic_ip_connect() (Paulo Alcantara) [RHEL-100698]
- net: tipc: fix refcount warning in tipc_aead_encrypt (Xin Long) [RHEL-103079]
- net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done (CKI Backport Bot) [RHEL-103079] {CVE-2025-38052}
- memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (CKI Backport Bot) [RHEL-99013] {CVE-2025-22020}
- HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CKI Backport Bot) [RHEL-98837] {CVE-2025-21928}

[4.18.0-553.65.1_10]
- x86/alternatives: avoid mapping FIX_TEXT_POKE1 page when it is not required (Rafael Aquini) [RHEL-95422]
- ext4: avoid resizing to a partial cluster size (CKI Backport Bot) [RHEL-101423] {CVE-2022-50020}

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.66.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.66.1.el8_10

Vulnerabilities 6

  • High 8.8

    net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done

    In the Linux kernel, the following vulnerability has been resolved: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done Syzbot reported a slab-use-after-free with the following call trace: =========================================================…

  • High 7.8

    HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()

    In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() The system can experience a random crash a few minutes after the driver is removed. This issue occurs due to improper handli…

  • High 7.8

    memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove

    In the Linux kernel, the following vulnerability has been resolved: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove This fixes the following crash: ================================================================== BUG: KASAN: slab-us…

  • High 7.8

    net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report [1], we have a UAF case when an hfsc class has a netem child qdisc. The crux of th…

  • High 7.8

    crypto: algif_hash - fix double free in hash_accept

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also fr…

  • Unscored —

    ext4: avoid resizing to a partial cluster size

    In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to clust…