Skip to content
OpenAdvisories
High RHSA-2025:19932 3 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Nov 10, 2025 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-core 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-core 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-debuginfo 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-devel 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-kvm 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules-extra 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-devel 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-kvm 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules-extra 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-core 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-core 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-debuginfo 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-devel 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules-extra 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-devel 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules 0:4.18.0-553.83.1.rt7.424.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules-extra 0:4.18.0-553.83.1.rt7.424.el8_10

Vulnerabilities 3

  • High 7.8
    CVE-2022-50367

    fs: fix UAF/GPF bug in nilfs_mdt_destroy

    In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfs_mdt_destroy In alloc_inode, inode_init_always() could return -ENOMEM if security_inode_alloc() fails, which causes inode->i_private uninitialized. Then nilfs_is_m…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2023-53178

    mm: fix zswap writeback race condition

    In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was wri…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-40300

    x86/vmscape: Add conditional IBPB mitigation

    In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor (like QEMU). Existing …

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

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394627
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395358
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396114
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_19932.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-50367
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50367
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50367
  • article
    https://lore.kernel.org/linux-cve-announce/2025091716-CVE-2022-50367-651c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53178
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53178
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53178
  • article
    https://lore.kernel.org/linux-cve-announce/2025091555-CVE-2023-53178-9d27@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-40300
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40300
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40300
  • article
    https://lore.kernel.org/linux-cve-announce/2025091128-CVE-2025-40300-5569@gregkh/