wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds
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: 34 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds Set the size to 6 instead of 2, since 'para' array is passed to 'rtw_fw_bt_wifi_control(rtwdev, para[0], ¶[1])', which reads 5 bytes: void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) { ... SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); ... SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); Detected using the static analysis tool - Svace.
Why it matters now
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 | 5.4 and later | 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 | Patch available | CNA |
- Linux VendorLinux Affected 5.4 and later Fixed in 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16
Red Hat 13 advisories
- RHSA-2025:21667 Released 2025-11-18 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.173.1.el8_2, kernel-4.18.0-193.173.1.el8_2, kernel-abi-whitelists-4.18.0-193.173.1.el8_2 +14
- RHSA-2025:15670 Released 2025-09-11 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.146.1.el9_0, kernel-debug-devel-matched-5.14.0-70.146.1.el9_0, kernel-devel-5.14.0-70.146.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.146.1.el9_0, kernel-5.14.0-70.146.1.el9_0, kernel-abi-stablelists-5.14.0-70.146.1.el9_0 +14
- RHSA-2025:15668 Released 2025-09-11 · Red Hat rating Importantkernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.88.1.el9_4, libperf-5.14.0-427.88.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.88.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.88.1.el9_4, kernel-64k-devel-5.14.0-427.88.1.el9_4 +10
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.88.1.el9_4, kernel-5.14.0-427.88.1.el9_4, kernel-64k-5.14.0-427.88.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.88.1.el9_4, kernel-rt-core-5.14.0-427.88.1.el9_4, kernel-rt-debug-5.14.0-427.88.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.88.1.el9_4, kernel-rt-core-5.14.0-427.88.1.el9_4, kernel-rt-debug-5.14.0-427.88.1.el9_4 +11
Show 10 more Red Hat advisories
- RHSA-2025:15660 Released 2025-09-11 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.172.1.el8_4, kernel-4.18.0-305.172.1.el8_4, kernel-abi-stablelists-4.18.0-305.172.1.el8_4 +13
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.172.1.el8_4, kernel-4.18.0-305.172.1.el8_4, kernel-abi-stablelists-4.18.0-305.172.1.el8_4 +13
- RHSA-2025:15658 Released 2025-09-10 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.146.1.rt21.218.el9_0, kernel-rt-core-5.14.0-70.146.1.rt21.218.el9_0, kernel-rt-debug-5.14.0-70.146.1.rt21.218.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.146.1.rt21.218.el9_0, kernel-rt-core-5.14.0-70.146.1.rt21.218.el9_0, kernel-rt-debug-5.14.0-70.146.1.rt21.218.el9_0 +7
- RHSA-2025:15649 Released 2025-09-10 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.110.1.el8_8, kernel-4.18.0-477.110.1.el8_8, kernel-abi-stablelists-4.18.0-477.110.1.el8_8 +13
- RHSA-2025:15647 Released 2025-09-10 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.160.1.el8_6, kernel-4.18.0-372.160.1.el8_6, kernel-abi-stablelists-4.18.0-372.160.1.el8_6 +13
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.160.1.el8_6, kernel-4.18.0-372.160.1.el8_6, kernel-abi-stablelists-4.18.0-372.160.1.el8_6 +18
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.160.1.el8_6, kernel-4.18.0-372.160.1.el8_6, kernel-abi-stablelists-4.18.0-372.160.1.el8_6 +13
- RHSA-2025:15227 Released 2025-09-04 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.136.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.136.1.el9_2, kernel-64k-devel-5.14.0-284.136.1.el9_2 +10
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- RHSA-2025:15224 Released 2025-09-04 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.136.1.rt14.421.el9_2, kernel-rt-core-5.14.0-284.136.1.rt14.421.el9_2, kernel-rt-debug-5.14.0-284.136.1.rt14.421.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.136.1.rt14.421.el9_2, kernel-rt-core-5.14.0-284.136.1.rt14.421.el9_2, kernel-rt-debug-5.14.0-284.136.1.rt14.421.el9_2 +11
- RHSA-2025:13962 Released 2025-08-18 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.35.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.35.1.el9_6, kernel-64k-devel-5.14.0-570.35.1.el9_6 +12
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- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.35.1.el9_6, kernel-rt-64k-5.14.0-570.35.1.el9_6, kernel-rt-64k-core-5.14.0-570.35.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.35.1.el9_6, kernel-rt-core-5.14.0-570.35.1.el9_6, kernel-rt-debug-5.14.0-570.35.1.el9_6 +11
- RHSA-2025:13598 Released 2025-08-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-55.27.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.27.1.el10_0, kernel-64k-devel-6.12.0-55.27.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-55.27.1.el10_0, kernel-64k-6.12.0-55.27.1.el10_0, kernel-64k-core-6.12.0-55.27.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-55.27.1.el10_0, libperf-6.12.0-55.27.1.el10_0
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-55.27.1.el10_0, kernel-rt-64k-6.12.0-55.27.1.el10_0, kernel-rt-64k-core-6.12.0-55.27.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-55.27.1.el10_0, kernel-rt-core-6.12.0-55.27.1.el10_0, kernel-rt-debug-6.12.0-55.27.1.el10_0 +11
- RHSA-2025:13589 Released 2025-08-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.69.1.el8_10, kernel-4.18.0-553.69.1.el8_10, kernel-abi-stablelists-4.18.0-553.69.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.69.1.el8_10
- RHSA-2025:13590 Released 2025-08-11 · Red Hat rating Moderatekernel-rt security update
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- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.69.1.rt7.410.el8_10, kernel-rt-core-4.18.0-553.69.1.rt7.410.el8_10, kernel-rt-debug-4.18.0-553.69.1.rt7.410.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 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2025:15668 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:13598 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:13962 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:15670 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2025:15227 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:15668 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:13598 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2025:13589 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:13962 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2025:21667 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2025:15660 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2025:15647 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2025:15647 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2025:15649 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2025:15670 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2025:15227 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2025:15668 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2025:15660 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2025:15647 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2025:13589 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:13598 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:13962 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2025:13590 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2025:15658 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2025:13590 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2025:13598 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:13962 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2025:15658 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2025:15224 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2025:15668 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2025:13598 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:13962 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2025:15224 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2025:15668 |
Not affected: 12 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux AppStream E4S (v.9.0)
- Red Hat Enterprise Linux AppStream EUS (v.9.4)
- Red Hat Enterprise Linux BaseOS AUS (v.8.4)
- Red Hat Enterprise Linux BaseOS AUS (v.8.6)
- Red Hat Enterprise Linux BaseOS E4S (v.8.6)
- Red Hat Enterprise Linux BaseOS E4S (v.8.8)
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
- Red Hat Enterprise Linux BaseOS TUS (v.8.6)
- Red Hat Enterprise Linux NFV E4S (v.9.0)
- Red Hat Enterprise Linux Real Time E4S (v.9.0)
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38159
- 2026-10-03 Alias added: GHSA-92p5-rr34-c98q
- 2026-11-05 CISA SSVC decision points changed
References
Patch 6
- https://git.kernel.org/stable/c/1ee8ea6937d13b20f90ff35d71ccc03ba448182d
- https://git.kernel.org/stable/c/68a1037f0bac4de9a585aa9c879ef886109f3647
- https://git.kernel.org/stable/c/74e18211c2c89ab66c9546baa7408288db61aa0d
- https://git.kernel.org/stable/c/c13255389499275bc5489a0b5b7940ccea3aef04
- https://git.kernel.org/stable/c/9febcc8bded8be0d7efd8237fcef599b6d93b788
- https://git.kernel.org/stable/c/4c2c372de2e108319236203cce6de44d70ae15cd
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- 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
Sources
- CVE-2025-38159 · CVE Program
- CVE-2025-38159 · NVD
- FIRST EPSS
- GHSA-92p5-rr34-c98q · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38159 · 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