CVE-2024-56538: drm: zynqmp_kms: Unplug DRM device before removal
Vulnerability summary
CVE-2024-56538 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.1% 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 32 · Related 34Timeline
- 27-12-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm: zynqmp_kms: Unplug DRM device before removal Prevent userspace accesses to the DRM device from causing use-after-frees by unplugging the device before we remove it. This causes any further userspace accesses to result in an error without further calls into this driver's internals.
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
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% 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.
Ubuntu122 products
- linux< 5.15.0-170.180 | < 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1100.107 | < 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ d76271d22694e874ed70791702db9252ffe96a4c, < 0c8ca1da81e5a9787284eb84c0c6ae927f063c15 | ≥ d76271d22694e874ed70791702db9252ffe96a4c, < a17b9afe58c474657449cf87e238b1788200576b | ≥ d76271d22694e874ed70791702db9252ffe96a4c, < 4fb97432e28a7e136b2d76135d50e988ada8e1af | ≥ d76271d22694e874ed70791702db9252ffe96a4c, < 692f52aedccbf79b212a1e14e3735192b4c24a7d | ≥ d76271d22694e874ed70791702db9252ffe96a4c, < 2e07c88914fc5289c21820b1aa94f058feb38197 | 5.9
- linux_kernel≥ 5.9, < 6.6.64 | ≥ 6.7, < 6.11.11 | ≥ 6.12, < 6.12.2
Debian1 product
- linuxAll versions (No fix recorded) | < 6.12.3-1
3 vendors · 125 products
