CVE-2023-2176

NameCVE-2023-2176
DescriptionA vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

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
bookworm6.1.76-1vulnerable
bookworm (security)6.1.85-1fixed
trixie6.6.15-2fixed
sid6.7.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster(not affected)
linuxsourcebullseye(not affected)
linuxsourcebookworm6.1.82-1
linuxsource(unstable)6.3.7-1

Notes

[bullseye] - linux <not-affected> (Vulnerable code not present)
[buster] - linux <not-affected> (Vulnerable code not present)
https://lkml.org/lkml/2022/12/9/178
https://www.spinics.net/lists/linux-rdma/msg114749.html
https://patchwork.kernel.org/project/linux-rdma/patch/3d0e9a2fd62bc10ba02fed1c7c48a48638952320.1672819273.git.leonro@nvidia.com/
https://git.kernel.org/linus/8d037973d48c026224ab285e6a06985ccac6f7bf (6.3-rc1)

Search for package or bug name: Reporting problems