CVE-2024-41084: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-41084 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 12.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 16 · Related 15Timeline
- 29-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Avoid null pointer dereference in region lookup cxl_dpa_to_region() looks up a region based on a memdev and DPA. It wrongly assumes an endpoint found mapping the DPA is also of a fully assembled region. When not true it leads to a null pointer dereference looking up the region name. This appears during testing of region lookup after a failure to assemble a BIOS defined region or if the lookup raced with the assembly of the BIOS defined region. Failure to clean up BIOS defined regions that fail assembly is an issue in itself and a fix to that problem will alleviate some of the impact. It will not alleviate the race condition so let's harden this path. The behavior change is that the kernel oops due to a null pointer dereference is replaced with a dev_dbg() message noting that an endpoint was mapped. Additional comments are added so that future users of this function can more clearly understand what it provides.
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
Ubuntu93 products
- linux< 6.8.0-48.48
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1018.20
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 0a105ab28a4de44eb738ce64e9ac74946aa5133b, < a9e099e29e925f8b31cfe53e8a786b9796f8e453 | ≥ 0a105ab28a4de44eb738ce64e9ac74946aa5133b, < b8a40a6dbfb0150c1081384caa9bbe28ce5d5060 | ≥ 0a105ab28a4de44eb738ce64e9ac74946aa5133b, < 285f2a08841432fc3e498b1cd00cce5216cdf189 | 6.4
- linux_kernel≥ 6.4, < 6.6.37 | ≥ 6.7, < 6.9.8
Debian1 product
- linux< 6.9.8-1
3 vendors · 96 products