drm/shmem-helper: Remove another errant put in error path
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.
02 / AFFECTED SOFTWARE
Affected packages
655 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53084.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-53084