CVE-2023-53534: drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc
Vulnerability summary
CVE-2023-53534 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% 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 4 · Related 4Timeline
- 04-10-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference.
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
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.15% 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.
Ubuntu105 products
- linux< 5.15.0-75.82
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1038.43
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 31c5558dae0513bd2bae33ea37543f584c6c35a5, < b64b6dff15a38468b8cd33fc7864fa4e02b0933a | ≥ 31c5558dae0513bd2bae33ea37543f584c6c35a5, < 62952905e195f7350bc230cf0960a74ddbceed5d | ≥ 31c5558dae0513bd2bae33ea37543f584c6c35a5, < 67ea657c7891c2f86a7750395640d9bdf2555926 | ≥ 31c5558dae0513bd2bae33ea37543f584c6c35a5, < 7d569ae98ee5490585929be69fea68047679b7b2 | ≥ 31c5558dae0513bd2bae33ea37543f584c6c35a5, < 5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c | 5.5
- linux_kernel≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
- linux< 6.1.20-1
3 vendors · 108 products
