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Fencer Vulns
medium 4.3

CVE-2022-0812 json

An information leak flaw was found in NFS over RDMA in the net/sunrpc/xprtrdma/rpc_rdma.c in the Linux Kernel.

published 2022-08-29 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15863

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

An information leak flaw was found in NFS over RDMA in the net/sunrpc/xprtrdma/rpc_rdma.c in the Linux Kernel. This flaw allows an attacker with normal user privileges to leak kernel information.

Patch / fix

  • linux linux_kernel 5.8.0
  • linux Debian 14, Debian 13, Debian 12 5.7.10-1

debian advisories DEBIAN-CVE-2022-0812

  • linux Ubuntu 18.04 LTS 4.15.0-194.205
  • linux Ubuntu 20.04 LTS 5.4.0-45.49
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1142.154
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1022.22
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1022.22
  • linux-kvm Ubuntu 18.04 LTS 4.15.0-1128.133
  • linux-kvm Ubuntu 20.04 LTS 5.4.0-1021.21
  • linux-azure Ubuntu 20.04 LTS 5.4.0-1023.23

ubuntu advisories UBUNTU-CVE-2022-0812

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dtb-aarch64 openSUSE Leap 15.4, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-64kb SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-syms SLE Module for Development Tools 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-obs-qa openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-source SLE Module for Development Tools 15 SP3, SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-default SLE Workstation Extension 15 SP3, SLE Module for Legacy 15 SP3, SLE Module for Basesystem 15 SP3 +5 more 5.3.18-150300.59.68.1
  • kernel-preempt SLE Workstation Extension 15 SP3, SLE Module for Development Tools 15 SP3, SLE Module for Basesystem 15 SP3 +2 more 5.3.18-150300.59.68.1
  • kernel-kvmsmall openSUSE Leap 15.3 5.3.18-150300.59.68.1

suse advisories SUSE-SU-2022:1687-1SUSE-SU-2022:1676-1SUSE-SU-2022:1669-1SUSE-SU-2022:1402-1SUSE-SU-2022:1267-1SUSE-SU-2022:1266-1

  • linux-lts Arch Linux 6.2-1
  • linux-hardened Arch Linux 6.2-1
  • linux-zen Arch Linux 6.2-1
  • linux Arch Linux 6.2-1

arch linux advisories AVG-2834AVG-2835AVG-2836AVG-2837

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-0812 updated cvss 4.3

kernel: NFS over RDMA random memory leakage

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • n/a Kernel

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.