CVE-2021-47200

drm/prime: Fix use after free in mmap with drm_gem_ttm_mmap

References

Notes

 carnil> Introduced in 9786b65bc61a ("drm/ttm: fix mmap refcounting"). Vulnerable
 carnil> versions: 5.5-rc1.

Bugs

Status

Branch Status
upstream released (5.16-rc1) [8244a3bc27b3efd057da154b8d7e414670d5044f]
6.18-upstream-stable N/A "Fixed before branching point"
6.17-upstream-stable N/A "Fixed before branching point"
6.12-upstream-stable N/A "Fixed before branching point"
6.8-upstream-stable N/A "Fixed before branching point"
6.7-upstream-stable N/A "Fixed before branching point"
6.6-upstream-stable N/A "Fixed before branching point"
6.1-upstream-stable N/A "Fixed before branching point"
5.10-upstream-stable needed
4.19-upstream-stable N/A "Vulnerable code not present"
sid released (5.15.5-1)
6.12-trixie-security N/A "Fixed before branching point"
6.1-bookworm-security N/A "Fixed before branching point"
5.10-bullseye-security needed
4.19-buster-security N/A "Vulnerable code not present"