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Vulnerability · SUSE-SU-2026:4706-1

Security update for the Linux Kernel

Published Oct 16, 2026 · corrected/updated Oct 17, 2026 · evidence confidence medium

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2024-26730: hwmon: (nct6775) Fix access to temperature configuration registers (bsc#1222538). - CVE-2025-38704: rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer (bsc#1254408). - CVE-2026-23352: x86/efi: defer freeing of boot services memory (bsc#1260474). - CVE-2026-31689: EDAC/mc: Fix error path ordering in edac_mc_alloc() (bsc#1263602). - CVE-2026-43409: kprobes: avoid crash when rmmod/insmod after ftrace killed (bsc#1264747). - CVE-2026-45836: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb() (bsc#1266410). - CVE-2026-45872: scsi: smartpqi: Fix memory leak in pqi_report_phys_luns() (bsc#1266735). - CVE-2026-46044: ipmi:ssif: Clean up kthread on errors (bsc#1267464). - CVE-2026-46135: nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec (bsc#1267373). - CVE-2026-46149: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (bsc#1267648). - CVE-2026-46196: tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func() (bsc#1266848). - CVE-2026-46304: nvmet: avoid recursive nvmet-wq flush in nvmet_ctrl_free (bsc#1267985). - CVE-2026-52912: netfilter: nf_queue: hold bridge skb->dev while queued (bsc#1269000). - CVE-2026-53061: dm cache: fix dirty mapping checking in passthrough mode switching (bsc#1269685). - CVE-2026-53284: btrfs: only release the dirty pages io tree after successful writes (bsc#1269816). - CVE-2026-53384: serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails (bsc#1271817). - CVE-2026-53400: i2c: core: fix adapter registration race (bsc#1271906). - CVE-2026-63883: serial: qcom_geni: fix kfifo underflow when flush precedes DMA completion IRQ (bsc#1272572). - CVE-2026-63890: scsi: fcoe: Reject FIP descriptors with zero fip_dlen in CVL walker (bsc#1272426). - CVE-2026-63913: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq R

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

SUSE-SU-2026:4706-1 is a unknown public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: kernel-default (0 → 6.4.0-150700.53.84.1); kernel-livepatch-SLE15-SP7_Update_22 (0 → 1-150700.15.3.1); kernel-64kb (0 → 6.4.0-150700.53.84.1); kernel-default (0 → 6.4.0-150700.53.84.1). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: osv. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2024-26730: hwmon: (nct6775) Fix access to temperature configuration registers (bsc#1222538). - CVE-2025-38704: rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer (bsc#1254408). - CVE-2026-23352: x86/efi: defer freeing of boot services memory (bsc#1260474).

  2. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64kb fixed in 6.4.0-150700.53.84.1; kernel-default fixed in 6.4.0-150700.53.84.1; kernel-default-base fixed in 6.4.0-150700.53.84.1.150700.17.47.1; kernel-source fixed in 6.4.0-150700.53.84.1

  3. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64kb fixed in 6.4.0-150700.53.84.1

  4. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-default fixed in 6.4.0-150700.53.84.1

  5. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-default-base fixed in 6.4.0-150700.53.84.1.150700.17.47.1

  6. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-source fixed in 6.4.0-150700.53.84.1

  7. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-zfcpdump fixed in 6.4.0-150700.53.84.1

  8. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-docs fixed in 6.4.0-150700.53.84.1

  9. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-obs-build fixed in 6.4.0-150700.53.84.1

  10. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-syms fixed in 6.4.0-150700.53.84.1

  11. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-livepatch-SLE15-SP7_Update_22 fixed in 1-150700.15.3.1

  12. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2024-26730: hwmon: (nct6775) Fix access to temperature configuration registers (bsc#1222538). - CVE-2025-38704: rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer (bsc#1254408). - CVE-2026-23352: x86/efi: defer freeing of boot services memory (bsc#1260474).

Affected

  • SUSE:Linux Enterprise Live Patching 15 S kernel-default0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Live Patching 15 S kernel-livepatch-SLE15-SP7_Update_220 → 1-150700.15.3.1
  • SUSE:Linux Enterprise Module for Basesys kernel-64kb0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Basesys kernel-default0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Basesys kernel-default-base0 → 6.4.0-150700.53.84.1.150700.17.47.1
  • SUSE:Linux Enterprise Module for Basesys kernel-source0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Basesys kernel-zfcpdump0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Develop kernel-docs0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Develop kernel-obs-build0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Develop kernel-source0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Develop kernel-syms0 → 6.4.0-150700.53.84.1
  • SUSE:Linux Enterprise Module for Legacy kernel-default0 → 6.4.0-150700.53.84.1

Sources

References