greybus: lights: check return of get_channel_from_mode
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of get_channel_from_mode If channel for the given node is not found we return null from get_channel_from_mode. Make sure we validate the return pointer before using it in two of the missing places. This was originally reported in [0]: Found by Linux Verification Center (linuxtesting.org) with SVACE. [0] https://lore.kernel.org/all/[email protected]
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 | 4.9 and later | 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10 | Patch available | CNA |
- Linux VendorLinux Affected 4.9 and later Fixed in 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.9 to before 4.19.316; 4.20 to before 5.4.278; 5.5 to before 5.10.219; 5.11 to before 5.15.161; 5.16 to before 6.1.93; 6.2 to before 6.6.33; 6.7 to before 6.9.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.9 to before 4.19.316; 4.20 to before 5.4.278; 5.5 to before 5.10.219; 5.11 to before 5.15.161; 5.16 to before 6.1.93; 6.2 to before 6.6.33; 6.7 to before 6.9.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-38637
- 2026-10-03 Alias added: GHSA-v22f-rw8m-47vr
References
Patch 8
- https://git.kernel.org/stable/c/8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b
- https://git.kernel.org/stable/c/e2c64246e5dc8c0d35ec41770b85e2b4cafdff21
- https://git.kernel.org/stable/c/eac10cf3a97ffd4b4deb0a29f57c118225a42850
- https://git.kernel.org/stable/c/330f6bcdcef03f70f81db5f2ed6747af656a09f2
- https://git.kernel.org/stable/c/9b41a9b9c8be8c552f10633453fdb509e83b66f8
- https://git.kernel.org/stable/c/518e2c46b5dbce40b1aa0100001d03c3ceaa7d38
- https://git.kernel.org/stable/c/895cdd9aa9546523df839f9cc1488a0ecc1e0731
- https://git.kernel.org/stable/c/a1ba19a1ae7cd1e324685ded4ab563e78fe68648
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-2024-38637 · CVE Program
- CVE-2024-38637 · NVD
- FIRST EPSS
- GHSA-v22f-rw8m-47vr · GitHub Advisory Database · CC BY 4.0
- CVE-2024-38637 · 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