CVE-2022-0812

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-29 · updated 2026-06-17
Weakness: CWE-200

Description

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.

Affected products

Linux kernel: before 5.8.0; 5.8.0-rc1, 5.8.0-rc2, 5.8.0-rc3, 5.8.0-rc4, 5.8.0-rc5 — fixed in 5.8.0

How to fix

Upgrade to a fixed version: Linux kernel 5.8.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2022-0812
https://bugzilla.redhat.com/show_bug.cgi?id=2058361
https://bugzilla.redhat.com/show_bug.cgi?id=2058955
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=912288442cb2f431bf3c8cb097a5de83bc6dbac1
https://security.netapp.com/advisory/ntap-20230427-0011/
https://ubuntu.com/security/CVE-2022-0812
https://access.redhat.com/security/cve/CVE-2022-0812
https://bugzilla.redhat.com/show_bug.cgi?id=2058361
https://bugzilla.redhat.com/show_bug.cgi?id=2058955
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=912288442cb2f431bf3c8cb097a5de83bc6dbac1
https://security.netapp.com/advisory/ntap-20230427-0011/
https://ubuntu.com/security/CVE-2022-0812

Get alerted when CVE-2022-0812 or the next vulnerability affects your stack