CVE-2023-53084
Published: May 6, 2025Last modified: May 6, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
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