Use After Free Affecting kernel-abi-stablelists package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELABISTABLELISTS-7292869
  • published20 Jun 2024
  • disclosed19 Jun 2024

Introduced: 19 Jun 2024

CVE-2021-47614  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-abi-stablelists to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists package and not the kernel-abi-stablelists package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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

RDMA/irdma: Fix a user-after-free in add_pble_prm

When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list.

Add the chunk entry to the PBLE info list only after successful setting of the SD in irdma_hmc_sd_one.

CVSS Scores

version 3.1