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OpenAdvisories
High RHSA-2025:10829 10 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Jul 14, 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 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-core 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-core 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-debuginfo 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-devel 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-kvm 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debug-modules-extra 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-devel 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-kvm 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::nfv kernel-rt-modules-extra 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-core 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-core 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-debuginfo 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-devel 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debug-modules-extra 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-devel 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules 0:5.14.0-70.138.1.rt21.210.el9_0
Red Hat · RHEL 9.0 E4S rhel_e4s:9.0::realtime kernel-rt-modules-extra 0:5.14.0-70.138.1.rt21.210.el9_0

Vulnerabilities 10

  • High 8.6
    CVE-2025-22004

    net: atm: fix use after free in lec_send()

    In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.4
    CVE-2025-22121

    ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() There's issue as follows: BUG: KASAN: use-after-free in ext4_xattr_inode_dec_ref_all+0x6ff/0x790 Read of size 4 at addr ffff88807…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2022-49846

    udf: Fix a slab-out-of-bounds write bug in udf_find_entry()

    In the Linux kernel, the following vulnerability has been resolved: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() Syzbot reported a slab-out-of-bounds Write bug: loop0: detected capacity change from 0 to 2048 ====================================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-21759

    ipv6: mcast: extend RCU protection in igmp6_send()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6_send() igmp6_send() can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a pot…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-37738

    ext4: ignore xattrs past end

    In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4_xattr_inode_dec_ref_all' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue: ==================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2022-49395

    um: Fix out-of-bounds read in LDT setup

    In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscall_stub_data() expects the data_count parameter to be the number of longs, not bytes. ============================================================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2022-49122

    dm ioctl: prevent potential spectre v1 gadget

    In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory fro…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2022-50066

    net: atlantic: fix aq_vec index out of range error

    In the Linux kernel, the following vulnerability has been resolved: net: atlantic: fix aq_vec index out of range error The final update statement of the for loop exceeds the array range, the dereference of self->aq_vec[i] is not checked and then leads to the …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2023-52933

    Squashfs: fix handling and sanity checking of xattr_ids count

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: fix handling and sanity checking of xattr_ids count A Sysbot [1] corrupted filesystem exposes two flaws in the handling and sanity checking of the xattr_ids count in the filesystem.…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-22104

    ibmvnic: Use kernel helpers for hex dumps

    In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Use kernel helpers for hex dumps Previously, when the driver was printing hex dumps, the buffer was cast to an 8 byte long and printed using string formatters. If the buffer size was…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2347899
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2348154
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2348596
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2355476
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2357142
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360199
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360265
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363305
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2363432
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373683
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_10829.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-49122
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49122
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49122
  • article
    https://lore.kernel.org/linux-cve-announce/2025022604-CVE-2022-49122-b139@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-49395
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49395
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49395
  • article
    https://lore.kernel.org/linux-cve-announce/2025022650-CVE-2022-49395-7419@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-49846
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-49846
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-49846
  • article
    https://kernelcve.org/list/?q=CVE-2022-49846
  • article
    https://lore.kernel.org/linux-cve-announce/2025050142-CVE-2022-49846-728c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-50066
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50066
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50066
  • article
    https://lore.kernel.org/linux-cve-announce/2025061851-CVE-2022-50066-a2ad@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-52933
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-52933
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-52933
  • article
    https://lore.kernel.org/linux-cve-announce/2025032720-CVE-2023-52933-f292@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21759
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21759
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21759
  • article
    https://kernelcve.org/list/?q=CVE-2025-21759
  • article
    https://lore.kernel.org/linux-cve-announce/2025022604-CVE-2025-21759-ad7c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22004