Allocation of Resources Without Limits or Throttling Affecting kernel-devel package, versions <0:4.18.0-305.216.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.68% (53rd percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEVEL-21901571
  • published30 Oct 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-43493  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-devel to version 0:4.18.0-305.216.1.el8_4 or higher.
This issue was patched in RHSA-2026:91585.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel 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:

crypto: pcrypt - Fix handling of MAY_BACKLOG requests

MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.

CVSS Base Scores

version 3.1