CVE-2026-43463

medium Red Hat
CVSS v3 Base Score
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 96% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: May 8, 2026 (6 days ago)
Last Modified: May 8, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's rxrpc and afs components. The `rxrpc_kernel_lookup_peer()` function, which is responsible for looking up remote procedure call (RPC) peers, can return error pointers that were not properly checked by its callers in the afs (Andrew File System) component. This improper error handling could potentially lead to system instability or a denial of service (DoS) condition.

CWE

CWE-252

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org