CVE-2024-41082 Affecting perf package, versions <0:5.14.0-503.11.1.el9_5


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ORACLE9-PERF-8387140
  • published20 Nov 2024
  • disclosed29 Jul 2024

Introduced: 29 Jul 2024

CVE-2024-41082  (opens in a new tab)

How to fix?

Upgrade Oracle:9 perf to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in ELSA-2024-9315.

NVD Description

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

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

nvme-fabrics: use reserved tag for reg read/write command

In some scenarios, if too many commands are issued by nvme command in the same time by user tasks, this may exhaust all tags of admin_q. If a reset (nvme reset or IO timeout) occurs before these commands finish, reconnect routine may fail to update nvme regs due to insufficient tags, which will cause kernel hang forever. In order to workaround this issue, maybe we can let reg_read32()/reg_read64()/reg_write32() use reserved tags. This maybe safe for nvmf:

  1. For the disable ctrl path, we will not issue connect command
  2. For the enable ctrl / fw activate path, since connect and reg_xx() are called serially.

So the reserved tags may still be enough while reg_xx() use reserved tags.

CVSS Scores

version 3.1