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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/5cfb617967b05f8f27e862c97db1fabd8485f4dbPatch
- https://git.kernel.org/stable/c/684c7372bbd6447c2e86a2a84e97a1478604d21fPatch
- https://git.kernel.org/stable/c/77d26c824aa5a7e0681ef1d5b75fe538d746addcPatch
- https://git.kernel.org/stable/c/dede8c14a37a7ac458f9add56154a074ed78e7cfPatch
- https://git.kernel.org/stable/c/ee9adb7a45516cfa536ca92253d7ae59d56db9e4Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.