Incorrect Conversion between Numeric Types Affecting kernel-zfcpdump-modules package, versions <0:5.14.0-70.36.1.el9_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELZFCPDUMPMODULES-3384311
  • published4 Aug 2022
  • disclosed15 Apr 2022

Introduced: 15 Apr 2022

CVE-2022-2639  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-zfcpdump-modules to version 0:5.14.0-70.36.1.el9_0 or higher.
This issue was patched in RHSA-2022:8973.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules package and not the kernel-zfcpdump-modules package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1