ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 9 fixed, 2 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: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control In snd_sof_update_control(), firmware-provided cdata->num_elems is checked against local_cdata->data->size but never against the actual allocation size. If local_cdata->data->size was previously set to an inconsistent value, the memcpy could write past the allocated buffer. Add a bounds check to ensure num_elems fits within the available space in the ipc_control_data allocation before copying.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
Red Hat 3 advisories
- RHSA-2026:71232 Released 2026-09-24 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.51.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.51.1.el9_8, kernel-64k-devel-5.14.0-687.51.1.el9_8 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.51.1.el9_8, kernel-64k-5.14.0-687.51.1.el9_8, kernel-64k-core-5.14.0-687.51.1.el9_8 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.51.1.el9_8, libperf-5.14.0-687.51.1.el9_8
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.51.1.el9_8, kernel-rt-64k-5.14.0-687.51.1.el9_8, kernel-rt-64k-core-5.14.0-687.51.1.el9_8 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.51.1.el9_8, kernel-rt-core-5.14.0-687.51.1.el9_8, kernel-rt-debug-5.14.0-687.51.1.el9_8 +9
- RHSA-2026:71213 Released 2026-09-24 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.167.1.el8_10, kernel-4.18.0-553.167.1.el8_10, kernel-abi-stablelists-4.18.0-553.167.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.167.1.el8_10
- RHSA-2026:71016 Released 2026-09-23 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.167.1.rt7.508.el8_10, kernel-rt-core-4.18.0-553.167.1.rt7.508.el8_10, kernel-rt-debug-4.18.0-553.167.1.rt7.508.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.167.1.rt7.508.el8_10, kernel-rt-core-4.18.0-553.167.1.rt7.508.el8_10, kernel-rt-debug-4.18.0-553.167.1.rt7.508.el8_10 +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:71232 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2026:71213 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:71232 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:71213 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:71232 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2026:71016 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2026:71016 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2026:71232 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2026:71232 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-72261
- 2026-10-03 Alias added: GHSA-rv5q-q8w5-hj4r
- 2026-10-16 CISA SSVC decision points changed
References
Other 6
- https://git.kernel.org/stable/c/1dc25a3e06364f48c4ef06016852f8b82425151a
- https://git.kernel.org/stable/c/ee781058cd4d71e4449f41cbe6a3b8c59daa2c51
- https://git.kernel.org/stable/c/ecf67f1302f2080b4d241b973364aacda70ad740
- https://git.kernel.org/stable/c/d3abaedf6a58469610136d2dace1a85cddf7afcf
- https://git.kernel.org/stable/c/2a591bf6fd41fd14bdae689aafac4a9ee702c23c
- https://git.kernel.org/stable/c/390aa4c9339bb0ec0bc8d554e830faf93ca9d49e
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Sources
- CVE-2026-72261 · CVE Program
- CVE-2026-72261 · NVD
- FIRST EPSS
- GHSA-rv5q-q8w5-hj4r · GitHub Advisory Database · CC BY 4.0
- CVE-2026-72261 · Red Hat security data · CC BY 4.0
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