Use After Free in Linux
CVE-2025-37763
In the Linux kernel, the following vulnerability has been resolved: drm/imagination: take paired job reference For paired jobs, have the fragment job take a reference on the geometry job, so that the geometry job cannot be freed until the fragment job has finished with it. The geometry job structure is accessed when the fragment job is being prepared by the GPU scheduler. Taking the reference prevents the geometry job being freed until the fragment job no longer requires it. Fixes a use after free bug detected by KASAN: [ 124.256386] BUG: KASAN: slab-use-after-free in pvr_queue_prepare_job+0x108/0x868 [powervr] [ 124.264893] Read of size 1 at addr ffff0000084cb960 by task kworker/u16:4/63
Vulnerability class: Use-After-Free
EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions eaf01ee5ba28b97f96a3d3eec4c5fbfb37ee4cde, 6.8, 0
- Linux Linux_kernel — versions 6.15
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-37763?
- CVE-2025-37763 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2025-05-01.
- How severe is CVE-2025-37763?
- High severity. CVSS v3 base score is 7.8 out of 10.