CVE-2024-40990: RDMA/mlx5: Add check for srq max_sge attribute
Vulnerability summary
CVE-2024-40990 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.5% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 27 · Related 24Timeline
- 12-07-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Add check for srq max_sge attribute max_sge attribute is passed by the user, and is inserted and used unchecked, so verify that the value doesn't exceed maximum allowed value before using it.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu128 products
- linuxAll versions (No fix recorded) | < 5.15.0-121.131 | < 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 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≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 7186b81c1f15e39069b1af172c6a951728ed3511 | ≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 1e692244bf7dd827dd72edc6c4a3b36ae572f03c | ≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 999586418600b4b3b93c2a0edd3a4ca71ee759bf | ≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < e0deb0e9c967b61420235f7f17a4450b4b4d6ce2 | ≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 4ab99e3613139f026d2d8ba954819e2876120ab3 | ≥ e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c, < 36ab7ada64caf08f10ee5a114d39964d1f91e81d | 3.11
- linux_kernel≥ 3.11, < 5.10.221 | ≥ 5.11, < 5.15.162 | ≥ 5.16, < 6.1.96 | ≥ 6.2, < 6.6.36 | ≥ 6.7, < 6.9.7 | 6.10:rc1 | 6.10:rc2 | 6.10:rc3 | 6.10:rc4
Debian1 product
- linux< 6.1.99-1 | < 6.9.7-1
3 vendors · 131 products