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OpenAdvisories
High 1 exploited CVE RHSA-2025:15658 11 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Sep 11, 2025 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-core 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-core 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-debuginfo 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-devel 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-kvm 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules-extra 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-devel 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-kvm 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules-extra 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-core 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-core 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-debuginfo 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-devel 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules-extra 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-devel 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules 0:5.14.0-70.146.1.rt21.218.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules-extra 0:5.14.0-70.146.1.rt21.218.el9_0

Vulnerabilities 11

  • High 7.8
    CVE-2025-38352 Exploited Public exploit

    posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

    In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify() and calls handle_posix_cpu_timers() …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
    KEV Sep 4, 2025
  • High 7.8
    CVE-2025-22097

    drm/vkms: Fix use after free and double free on init error

    In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix use after free and double free on init error If the driver initialization fails, the vkms_exit() function might access an uninitialized or freed default_config pointer and it mi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38079

    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…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38085

    mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

    In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously been shared across processes, potentially turning it into a n…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38250

    Bluetooth: hci_core: Fix use-after-free in vhci_flush()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix use-after-free in vhci_flush() syzbot reported use-after-free in vhci_flush() without repro. [0] From the splat, a thread close()d a vhci file descriptor while its de…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-38464

    tipc: Fix use-after-free in tipc_conn_close().

    In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipc_conn_close(). syzbot reported a null-ptr-deref in tipc_conn_close() during netns dismantle. [0] tipc_topsrv_stop() iterates tipc_net(net)->topsrv->conn_idr an…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Medium 6.7
    CVE-2023-2513

    A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode si…

    linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux
  • Medium 5.5
    CVE-2022-50369

    drm/vkms: Fix null-ptr-deref in vkms_release()

    In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix null-ptr-deref in vkms_release() A null-ptr-deref is triggered when it tries to destroy the workqueue in vkms->output.composer_workq in vkms_release(). KASAN: null-ptr-deref in …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2022-50269

    drm/vkms: Fix memory leak in vkms_init()

    In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix memory leak in vkms_init() A memory leak was reported after the vkms module install failed. unreferenced object 0xffff88810bc28520 (size 16): comm "modprobe", pid 9662, jiffies …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-22058

    udp: Fix memory accounting leak.

    In the Linux kernel, the following vulnerability has been resolved: udp: Fix memory accounting leak. Matt Dowling reported a weird UDP memory usage issue. Under normal operation, the UDP memory usage reported in /proc/net/sockstat remains close to zero. Howev…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-38159

    wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds Set the size to 6 instead of 2, since 'para' array is passed to 'rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1])', whi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2193097
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360223
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360276
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373383
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2375304
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2376064
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2378982
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2382581
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2383509
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15658.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-50269
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395226
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50269
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50269
  • article
    https://lore.kernel.org/linux-cve-announce/2025091504-CVE-2022-50269-24d9@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-50369
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396112
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50369
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50369
  • article
    https://lore.kernel.org/linux-cve-announce/2025091716-CVE-2022-50369-bc92@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-2513
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-2513
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-2513
  • report
    https://access.redhat.com/security/cve/CVE-2025-22058
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22058
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22058
  • article
    https://lore.kernel.org/linux-cve-announce/2025041606-CVE-2025-22058-045a@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22097
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22097
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22097
  • article
    https://lore.kernel.org/linux-cve-announce/2025041619-CVE-2025-22097-d4f5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38079
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38079
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38079
  • article
    https://lore.kernel.org/linux-cve-announce/2025061841-CVE-2025-38079-7fa5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38085
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38085
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38085