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TI-2026-33927 Aliases CVE-2026-46204GHSA-2hxx-m8v6-fcm5

drm/amdgpu/vcn4: Prevent OOB reads when parsing IB

Priority LOW 30CWE-125Published · 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
Partial Red Hat: 14 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the bounds checks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00132 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.191, 6.6.140, 6.12.90 +3Red Hat: 4 advisoriesRed Hat: 14 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux6.0 and later6.1.191, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1Patch availableCNA
  • Linux VendorLinux Affected 6.0 and later Fixed in 6.1.191, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.0 to before 6.6.140; 6.7 to before 6.12.90; 6.13 to before 6.18.32; 6.19 to before 7.0.9VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.0 to before 6.6.140; 6.7 to before 6.12.90; 6.13 to before 6.18.32; 6.19 to before 7.0.9 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1

Red Hat 4 advisories

  • RHSA-2026:72468 Released 2026-09-28 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.169.1.el8_10, kernel-4.18.0-553.169.1.el8_10, kernel-abi-stablelists-4.18.0-553.169.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.169.1.el8_10
  • RHSA-2026:72467 Released 2026-09-28 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.169.1.rt7.510.el8_10, kernel-rt-core-4.18.0-553.169.1.rt7.510.el8_10, kernel-rt-debug-4.18.0-553.169.1.rt7.510.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.169.1.rt7.510.el8_10, kernel-rt-core-4.18.0-553.169.1.rt7.510.el8_10, kernel-rt-debug-4.18.0-553.169.1.rt7.510.el8_10 +7
  • RHSA-2026:71700 Released 2026-09-25 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.52.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.52.1.el9_8, kernel-64k-devel-5.14.0-687.52.1.el9_8 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.52.1.el9_8, kernel-64k-5.14.0-687.52.1.el9_8, kernel-64k-core-5.14.0-687.52.1.el9_8 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.52.1.el9_8, libperf-5.14.0-687.52.1.el9_8
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.52.1.el9_8, kernel-rt-64k-5.14.0-687.52.1.el9_8, kernel-rt-64k-core-5.14.0-687.52.1.el9_8 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.52.1.el9_8, kernel-rt-core-5.14.0-687.52.1.el9_8, kernel-rt-debug-5.14.0-687.52.1.el9_8 +9
Show 1 more Red Hat advisories
  • RHSA-2026:71602 Released 2026-09-24 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.60.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.60.1.el10_2, kernel-64k-devel-6.12.0-211.60.1.el10_2 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.60.1.el10_2, kernel-64k-6.12.0-211.60.1.el10_2, kernel-64k-core-6.12.0-211.60.1.el10_2 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.60.1.el10_2, libperf-6.12.0-211.60.1.el10_2
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.60.1.el10_2, kernel-rt-64k-6.12.0-211.60.1.el10_2, kernel-rt-64k-core-6.12.0-211.60.1.el10_2 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.60.1.el10_2, kernel-rt-core-6.12.0-211.60.1.el10_2, kernel-rt-debug-6.12.0-211.60.1.el10_2 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:72468
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:72468
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2026:72467
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2026:72467
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:71700
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:71602
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:71700

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-46204
  2. 2026-10-03 Alias added: GHSA-2hxx-m8v6-fcm5
  3. 2026-10-16 CISA SSVC decision points changed
  4. 2026-10-19 Weakness changed · CISA ADP
  5. 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@92724364702fd12d99f441a4af11d9c8bcd52217 · CNA
  6. 2026-10-30 1 new reference · CNA

References

Patch 5

Other 1

  • 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-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
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences