CVE-2024-38637: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-38637 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 26 · Related 22Timeline
- 21-06-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
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/20240301190425.120605-1-m.lobanov@rosalinux.ru
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu127 products
- linux< 4.15.0-231.243 | < 5.4.0-192.212 | < 5.15.0-121.131 | < 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1175.188 | < 5.4.0-1130.140 | < 5.15.0-1069.75 | < 6.8.0-1015.16
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < 8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < e2c64246e5dc8c0d35ec41770b85e2b4cafdff21 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < eac10cf3a97ffd4b4deb0a29f57c118225a42850 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < 330f6bcdcef03f70f81db5f2ed6747af656a09f2 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < 9b41a9b9c8be8c552f10633453fdb509e83b66f8 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < 518e2c46b5dbce40b1aa0100001d03c3ceaa7d38 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < 895cdd9aa9546523df839f9cc1488a0ecc1e0731 | ≥ 2870b52bae4c81823ffcb3ed2b0626fb39d64f48, < a1ba19a1ae7cd1e324685ded4ab563e78fe68648 | 4.9
- linux_kernel≥ 4.9, < 4.19.316 | ≥ 4.20, < 5.4.278 | ≥ 5.5, < 5.10.219 | ≥ 5.11, < 5.15.161 | ≥ 5.16, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.9.4
Debian1 product
- linux< 6.1.94-1 | < 6.9.7-1
3 vendors · 130 products