RHSA-2026:0536HighCVSS 7.8

Red Hat Security Advisory: kernel security update

Published
January 14, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (11)

📋 Description

CVE-2022-50543 — kernel: RDMA/rxe: Fix mr->map double free CVE-2023-53322 — kernel: scsi: qla2xxx: Wait for io return on terminate rport CVE-2023-53401 — kernel: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required() CVE-2023-53513 — kernel: nbd: fix incomplete validation of ioctl arg CVE-2023-53675 — kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses CVE-2023-53680 — kernel: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL CVE-2025-38051 — kernel: smb: client: Fix use-after-free in cifs_fill_dirent CVE-2025-39898 — kernel: e1000e: fix heap overflow in e1000_set_eeprom CVE-2025-39971 — kernel: i40e: fix idx validation in config queues msg CVE-2025-39973 — kernel: i40e: add validation for ring_len param CVE-2025-68285 — kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

🎯 Affected products149

  • Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • bpftool-debuginfo-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-0:4.18.0-372.175.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.175.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.175.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-abi-stablelists-0:4.18.0-372.175.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • kernel-core-0:4.18.0-372.175.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-core-0:4.18.0-372.175.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • kernel-core-0:4.18.0-372.175.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • +119 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: To mitigate this issue, prevent the rdma_rxe module from loading. See https://access.redhat.com/solutions/41278 for instructions on blacklisting kernel modules. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: To mitigate this issue, prevent module ses from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent module nfs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria, comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (13)