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TI-2026-60835 Aliases CVE-2026-89792GHSA-5h65-jm98-j8f7

ksmbd: prevent out-of-bounds reads in share config responses

Priority LOW 30Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the path length.

Why it matters now

EPSS 0.00164 5th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.15.222, 6.1.189, 6.6.158 +5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux5.15.157 to before 5.15.222; 6.1.85 to before 6.1.189; 6.6.26 to before 6.6.158; 6.8.5 to before 6.95.15.222, 6.1.189, 6.6.158, 6.9Patch availableCNA
LinuxLinux6.9 and later5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.6, 7.3Patch availableCNA
  • Linux VendorLinux Affected 5.15.157 to before 5.15.222; 6.1.85 to before 6.1.189; 6.6.26 to before 6.6.158; 6.8.5 to before 6.9 Fixed in 5.15.222, 6.1.189, 6.6.158, 6.9 Patch available CNA
  • Linux VendorLinux Affected 6.9 and later Fixed in 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.6, 7.3 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*——Linux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions — — ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.15.222, 6.1.189, 6.6.158, 6.9
  • Fix · CNA Linux (Linux) Fixed in 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.6, 7.3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 7 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-89792
  2. 2026-10-03 Alias added: GHSA-5h65-jm98-j8f7
  3. 2026-10-03 Fix available: Linux/Linux@0127f1c119bde40578f4d25f5d17333b4e75de8c, Linux/[email protected], Linux/[email protected] +3 · CNA
  4. 2026-10-03 3 new references · CNA
  5. 2026-10-19 Fix available: Linux/[email protected] · CNA
  6. 2026-11-06 Affected versions changed · Red Hat
  7. 2026-11-06 CVSS score added · Red Hat

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
See all 21741 →

Sources