ALSA: usb-audio: Validate UAC3 power domain descriptors, too
Priority LOW 33CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 24 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 power domain descriptors, too UAC3 power domain descriptors need to be verified with its variable bLength for avoiding the unexpected OOB accesses by malicious firmware, too.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.002 9th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.297, 5.10.241, 5.15.190 +6Red Hat: 11 advisoriesRed Hat: 24 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 | 4.17 and later | 5.4.297, 5.10.241, 5.15.190, 6.1.149, 6.6.103, 6.12.43, 6.15.11, 6.16.2, 6.17 | Patch available | CNA |
- Linux VendorLinux Affected 4.17 and later Fixed in 5.4.297, 5.10.241, 5.15.190, 6.1.149, 6.6.103, 6.12.43, 6.15.11, 6.16.2, 6.17 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.17 to before 5.4.297; 5.5 to before 5.10.241; 5.11 to before 5.15.190; 5.16 to before 6.1.149; 6.2 to before 6.6.103; 6.7 to before 6.12.43; 6.13 to before 6.15.11; 6.16 to before 6.16.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* | 6.17 rc1 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.17 to before 5.4.297; 5.5 to before 5.10.241; 5.11 to before 5.15.190; 5.16 to before 6.1.149; 6.2 to before 6.6.103; 6.7 to before 6.12.43; 6.13 to before 6.15.11; 6.16 to before 6.16.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* Versions 6.17 rc1 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.297, 5.10.241, 5.15.190, 6.1.149, 6.6.103, 6.12.43, 6.15.11, 6.16.2, 6.17
Red Hat 11 advisories
- RHSA-2025:23947 Released 2025-12-22 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.144.1.el7, kernel-3.10.0-1160.144.1.el7, kernel-abi-whitelists-3.10.0-1160.144.1.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.144.1.el7, kernel-tools-libs-devel-3.10.0-1160.144.1.el7
- RHSA-2025:23960 Released 2025-12-22 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.144.1.rt56.1296.el7, kernel-rt-debug-3.10.0-1160.144.1.rt56.1296.el7, kernel-rt-debug-devel-3.10.0-1160.144.1.rt56.1296.el7 +4
- RHSA-2025:23463 Released 2025-12-17 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.182.1.el8_4, kernel-4.18.0-305.182.1.el8_4, kernel-abi-stablelists-4.18.0-305.182.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.182.1.el8_4, kernel-4.18.0-305.182.1.el8_4, kernel-abi-stablelists-4.18.0-305.182.1.el8_4 +14
Show 8 more Red Hat advisories
- RHSA-2025:23445 Released 2025-12-17 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.178.1.el8_2, kernel-4.18.0-193.178.1.el8_2, kernel-abi-whitelists-4.18.0-193.178.1.el8_2 +14
- RHSA-2025:22124 Released 2025-11-25 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-core-5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-5.14.0-284.148.1.rt14.433.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-core-5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-5.14.0-284.148.1.rt14.433.el9_2 +11
- RHSA-2025:22095 Released 2025-11-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.148.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.148.1.el9_2, kernel-64k-devel-5.14.0-284.148.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.148.1.el9_2, kernel-5.14.0-284.148.1.el9_2, kernel-64k-5.14.0-284.148.1.el9_2 +29
- RHSA-2025:22087 Released 2025-11-25 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.155.1.rt21.227.el9_0, kernel-rt-core-5.14.0-70.155.1.rt21.227.el9_0, kernel-rt-debug-5.14.0-70.155.1.rt21.227.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.155.1.rt21.227.el9_0, kernel-rt-core-5.14.0-70.155.1.rt21.227.el9_0, kernel-rt-debug-5.14.0-70.155.1.rt21.227.el9_0 +7
- RHSA-2025:22072 Released 2025-11-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.120.1.el8_8, kernel-4.18.0-477.120.1.el8_8, kernel-abi-stablelists-4.18.0-477.120.1.el8_8 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.120.1.el8_8, kernel-4.18.0-477.120.1.el8_8, kernel-abi-stablelists-4.18.0-477.120.1.el8_8 +14
- RHSA-2025:22066 Released 2025-11-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.155.1.el9_0, kernel-debug-devel-matched-5.14.0-70.155.1.el9_0, kernel-devel-5.14.0-70.155.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.155.1.el9_0, kernel-5.14.0-70.155.1.el9_0, kernel-abi-stablelists-5.14.0-70.155.1.el9_0 +14
- RHSA-2025:22006 Released 2025-11-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.170.1.el8_6, kernel-4.18.0-372.170.1.el8_6, kernel-abi-stablelists-4.18.0-372.170.1.el8_6 +14
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.170.1.el8_6, kernel-4.18.0-372.170.1.el8_6, kernel-abi-stablelists-4.18.0-372.170.1.el8_6 +19
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.170.1.el8_6, kernel-4.18.0-372.170.1.el8_6, kernel-abi-stablelists-4.18.0-372.170.1.el8_6 +14
- RHSA-2025:21760 Released 2025-11-19 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.100.1.el9_4, libperf-5.14.0-427.100.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.100.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.100.1.el9_4, kernel-64k-devel-5.14.0-427.100.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.100.1.el9_4, kernel-5.14.0-427.100.1.el9_4, kernel-64k-5.14.0-427.100.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.100.1.el9_4, kernel-rt-core-5.14.0-427.100.1.el9_4, kernel-rt-debug-5.14.0-427.100.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.100.1.el9_4, kernel-rt-core-5.14.0-427.100.1.el9_4, kernel-rt-debug-5.14.0-427.100.1.el9_4 +11
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 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2025:21760 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:22066 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2025:22095 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:21760 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2025:23445 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2025:23463 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2025:22006 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2025:22006 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2025:22072 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2025:22066 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2025:22095 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2025:21760 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2025:23463 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2025:22006 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.8) | Fixed | RHSA-2025:22072 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2025:22087 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2025:22087 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2025:22124 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2025:21760 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2025:22124 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2025:21760 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:23947 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2025:23947 |
| Red Hat Enterprise Linux for Real Time (v. 7 ELS) | Fixed | RHSA-2025:23960 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38729
- 2026-10-03 Alias added: GHSA-hh9x-rr36-2f2w
- 2026-11-05 CISA SSVC decision points changed
References
Patch 9
- https://git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81
- https://git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745ac
- https://git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0d
- https://git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7
- https://git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc
- https://git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61a
- https://git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9a
- https://git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbd
- https://git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595f
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Sources
- CVE-2025-38729 · CVE Program
- CVE-2025-38729 · NVD
- FIRST EPSS
- GHSA-hh9x-rr36-2f2w · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38729 · Red Hat security data · CC BY 4.0
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