<p>There is no fixed version for <code>Centos:7</code> <code>python-perf</code>.</p>

Improper Locking Affecting python-perf package, versions *

Threat Intelligence

0.04% (6^th percentile)

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Snyk ID SNYK-CENTOS7-PYTHONPERF-6963429
published 21 May 2024
disclosed 20 May 2024

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Introduced: 20 May 2024

CVE-2024-35997 Open this link in a new tab CWE-667 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 python-perf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf 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:

HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up

The flag I2C_HID_READ_PENDING is used to serialize I2C operations. However, this is not necessary, because I2C core already has its own locking for that.

More importantly, this flag can cause a lock-up: if the flag is set in i2c_hid_xfer() and an interrupt happens, the interrupt handler (i2c_hid_irq) will check this flag and return immediately without doing anything, then the interrupt handler will be invoked again in an infinite loop.

Since interrupt handler is an RT task, it takes over the CPU and the flag-clearing task never gets scheduled, thus we have a lock-up.

Delete this unnecessary flag.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High

Improper Locking Affecting python-perf package, versions *

Severity

Based on CentOS security rating