drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg
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/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00123 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.15.209, 6.1.175, 6.6.140 +4Red 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.13 and later | 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1 | Patch available | CNA |
- Linux VendorLinux Affected 5.13 and later Fixed in 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.13 to before 5.15.209; 5.16 to before 6.1.175; 6.2 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 |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.13 to before 5.15.209; 5.16 to before 6.1.175; 6.2 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 5.15.209, 6.1.175, 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 Importantkernel 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 Importantkernel-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 Importantkernel 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 Importantkernel 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No 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
- 2026-10-02 Threatist record created from CVE-2026-46230
- 2026-10-03 Alias added: GHSA-gf2x-fj7m-8p77
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-19 Weakness changed · CISA ADP
- 2026-11-06 CVSS score changed · Red Hat
References
Patch 7
- https://git.kernel.org/stable/c/f55552adb100eb54a6e6dabff4fbdc8679bd3fa0
- https://git.kernel.org/stable/c/82c535eff05490c71153af57de9fe85502fcb5d5
- https://git.kernel.org/stable/c/638d3e0b9eb77aa53fdd60e2b928761d16ba76fa
- https://git.kernel.org/stable/c/870c8738c3774336baedddd0240951d078a703b8
- https://git.kernel.org/stable/c/638e48ee39d0f2af9336f917a6f5d6692dd64d93
- https://git.kernel.org/stable/c/e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7
- https://git.kernel.org/stable/c/b193019860d61e92da395eae2011f2f6716b182f
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- 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
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- 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
Sources
- CVE-2026-46230 · CVE Program
- CVE-2026-46230 · NVD
- FIRST EPSS
- GHSA-gf2x-fj7m-8p77 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-46230 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences