CVE-2022-22942

NameCVE-2022-22942
DescriptionThe vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2941-1, DSA-5092-1, DSA-5096-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
trixie6.6.15-2fixed
sid6.7.9-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch(not affected)
linuxsourcebuster4.19.232-1DSA-5096-1
linuxsourcebullseye5.10.92-2DSA-5092-1
linuxsource(unstable)5.15.15-2
linux-4.19sourcestretch4.19.232-1~deb9u1DLA-2941-1

Notes

[stretch] - linux <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2022/01/27/4
https://www.openwall.com/lists/oss-security/2022/02/03/1
Fixed by: https://git.kernel.org/linus/a0f90c8815706981c483a652a6aefca51a5e191c
https://github.com/opensrcsec/same_type_object_reuse_exploits/blob/main/cve-2022-22942-dc.c
https://github.com/opensrcsec/same_type_object_reuse_exploits/blob/main/cve-2022-22942.c

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