CVE-2021-4157

Description

An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.

Affected Platforms

Weakness Type

CWE-119, CWE-119

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2034342
• https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/
• https://security.netapp.com/advisory/ntap-20220602-0007/
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://bugzilla.redhat.com/show_bug.cgi?id=2034342
• https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/