CVE-2023-53084
drm/shmem-helper: Remove another errant put in error path
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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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory 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
References (5)
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