CVE-2023-53084

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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2025-05-02

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

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

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