Improper Input Validation Affecting kernel-abi-whitelists package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELABIWHITELISTS-7523674
  • published17 Jul 2024
  • disclosed12 Jul 2024

Introduced: 12 Jul 2024

CVE-2024-40992  (opens in a new tab)
CWE-20  (opens in a new tab)
First added by Snyk

How to fix?

There is no fixed version for Centos:7 kernel-abi-whitelists.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists package and not the kernel-abi-whitelists package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Fix responder length checking for UD request packets

According to the IBA specification: If a UD request packet is detected with an invalid length, the request shall be an invalid request and it shall be silently dropped by the responder. The responder then waits for a new request packet.

commit 689c5421bfe0 ("RDMA/rxe: Fix incorrect responder length checking") defers responder length check for UD QPs in function copy_data. But it introduces a regression issue for UD QPs.

When the packet size is too large to fit in the receive buffer. copy_data will return error code -EINVAL. Then send_data_in will return RESPST_ERR_MALFORMED_WQE. UD QP will transfer into ERROR state.

CVSS Scores

version 3.1