CVE-2023-53084
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.2%
9.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2025-05-02 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2025-05-02 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove another errant put in error path drm_gem_shmem_mmap() doesn't own reference in error code path, resulting in the dma-buf shmem GEM object getting prematurely freed leading to a later use-after-free.
Affected
References
- https://git.kernel.org/stable/c/5cfb617967b05f8f27e862c97db1fabd8485f4db
- https://git.kernel.org/stable/c/684c7372bbd6447c2e86a2a84e97a1478604d21f
- https://git.kernel.org/stable/c/77d26c824aa5a7e0681ef1d5b75fe538d746addc
- https://git.kernel.org/stable/c/dede8c14a37a7ac458f9add56154a074ed78e7cf
- https://git.kernel.org/stable/c/ee9adb7a45516cfa536ca92253d7ae59d56db9e4