What’s Vulnerable › Vulnerabilities

CVE-2023-53084: drm/shmem-helper: Remove another errant put in error path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-02 · updated 2026-10-15
• Weakness: CWE-416

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 products

• Linux kernel: from 5.9.5 before 5.10; from 5.10.1 before 5.10.176; from 5.11 before 5.15.104; from 5.16 before 6.1.21; from 6.2 before 6.2.8; 5.10, 5.10-rc2, 5.10-rc3, 5.10-rc4, 5.10-rc5, 5.10-rc6 (+3) — fixed in 5.10, 5.10.176, 5.15.104, 6.1.21, 6.2.8

How to fix

Upgrade to a fixed version: Linux kernel 5.10, 5.10.176, 5.15.104, 6.1.21. Check the vendor advisory for mitigations.

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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