CVE-2024-40936: cxl/region: Fix memregion leaks in devm_cxl_add_region()
Vulnerability summary
CVE-2024-40936 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.2% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 12Timeline
- 12-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix memregion leaks in devm_cxl_add_region() Move the mode verification to __create_region() before allocating the memregion to avoid the memregion leaks.
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
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu92 products
- linux< 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1015.16
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 6e099264185d05f50400ea494f5029264a4fe995, < d8316838aa0686da63a8be4194b7a17b0103ae4a | ≥ 6e099264185d05f50400ea494f5029264a4fe995, < bbb5d8746381c82f7e0fb6171094d375b492f266 | ≥ 6e099264185d05f50400ea494f5029264a4fe995, < 49ba7b515c4c0719b866d16f068e62d16a8a3dd1 | 6.3
- linux_kernel≥ 6.3, < 6.6.35 | ≥ 6.7, < 6.9.6 | 6.10:rc1 | 6.10:rc2
Debian1 product
- linux< 6.9.7-1
3 vendors · 95 products
