backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 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: backlight: led_bl: Hold led_access lock when calling led_sysfs_disable() Lockdep detects the following issue on led-backlight removal: [ 142.315935] ------------[ cut here ]------------ [ 142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80 ... [ 142.500725] Call trace: [ 142.503176] led_sysfs_enable+0x54/0x80 (P) [ 142.507370] led_bl_remove+0x80/0xa8 [led_bl] [ 142.511742] platform_remove+0x30/0x58 [ 142.515501] device_remove+0x54/0x90 ... Indeed, led_sysfs_enable() has to be called with the led_access lock held. Hold the lock when calling led_sysfs_disable().
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 | 5.6 and later | 5.10.237, 5.15.181, 6.1.136, 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15 | Patch available | CNA |
- Linux VendorLinux Affected 5.6 and later Fixed in 5.10.237, 5.15.181, 6.1.136, 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.6.1 to before 5.10.237; 5.11 to before 5.15.181; 5.16 to before 6.1.136; 6.2 to before 6.6.88; 6.7 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:* | 5.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.6:rc5:*:*:*:*:*:* | 5.6 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.6:rc6:*:*:*:*:*:* | 5.6 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.6:rc7:*:*:*:*:*:* | 5.6 rc7 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.6.1 to before 5.10.237; 5.11 to before 5.15.181; 5.16 to before 6.1.136; 6.2 to before 6.6.88; 6.7 to before 6.12.24; 6.13 to before 6.13.12; 6.14 to before 6.14.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:* Versions 5.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.6:rc5:*:*:*:*:*:* Versions 5.6 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.6:rc6:*:*:*:*:*:* Versions 5.6 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.6:rc7:*:*:*:*:*:* Versions 5.6 rc7 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.237, 5.15.181, 6.1.136, 6.6.88, 6.12.24, 6.13.12, 6.14.3, 6.15
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2025-23144
- 2026-10-03 Alias added: GHSA-3cfh-wr8w-8mhf
- 2026-11-05 CISA SSVC decision points changed
References
Patch 8
- https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07
- https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14
- https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7
- https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b
- https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6
- https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885
- https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e
- https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2025-23144 · CVE Program
- CVE-2025-23144 · NVD
- FIRST EPSS
- GHSA-3cfh-wr8w-8mhf · GitHub Advisory Database · CC BY 4.0
- CVE-2025-23144 · 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