CVE-2024-50080: linux
Vulnerability summary
CVE-2024-50080 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 22 · Related 24Timeline
- 29-10-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ublk: don't allow user copy for unprivileged device UBLK_F_USER_COPY requires userspace to call write() on ublk char device for filling request buffer, and unprivileged device can't be trusted. So don't allow user copy for unprivileged device.
CVSS metrics
4 scores · 4 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 causeNo weakness data has been published for this record.
Affected systems
Ubuntu103 products
- linux< 6.8.0-56.58
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1025.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 1172d5b8beca6b899deb9f7f2850e7e47ec16198, < 6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc | ≥ 1172d5b8beca6b899deb9f7f2850e7e47ec16198, < 8f3d5686a2409877c5e8e2540774d24ed2b4a4ce | ≥ 1172d5b8beca6b899deb9f7f2850e7e47ec16198, < 42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6 | 6.5
- linux_kernel≥ 6.5, < 6.6.58 | ≥ 6.7, < 6.11.5 | 6.12:rc1 | 6.12:rc2 | 6.12:rc3
Debian1 product
- linux< 6.11.5-1
3 vendors · 106 products