CVE-2024-47750: linux Use After Free
Vulnerability summary
CVE-2024-47750 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 25 · Related 24Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08 Currently rsv_qp is freed before ib_unregister_device() is called on HIP08. During the time interval, users can still dereg MR and rsv_qp will be used in this process, leading to a UAF. Move the release of rsv_qp after calling ib_unregister_device() to fix it.
CVSS metrics
4 scores · 4 sources · 1 version- 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 · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% 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
Ubuntu94 products
- linux< 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 70f92521584f1d1e8268311ee84413307b0fdea8, < 2ccf1c75d39949d8ea043d04a2e92d7100ea723d | ≥ 70f92521584f1d1e8268311ee84413307b0fdea8, < d2d9c5127122745da6e887f451dd248cfeffca33 | ≥ 70f92521584f1d1e8268311ee84413307b0fdea8, < dac2723d8bfa9cf5333f477741e6e5fa1ed34645 | ≥ 70f92521584f1d1e8268311ee84413307b0fdea8, < 60595923371c2ebe7faf82536c47eb0c967e3425 | ≥ 70f92521584f1d1e8268311ee84413307b0fdea8, < fd8489294dd2beefb70f12ec4f6132aeec61a4d0 | 5.18
- linux_kernel≥ 5.18, < 6.1.113 | ≥ 6.2, < 6.6.54 | ≥ 6.7, < 6.10.13 | ≥ 6.11, < 6.11.2
Debian1 product
- linux< 6.1.115-1 | < 6.11.2-1
3 vendors · 97 products