Resource Leak Affecting kernel-rt-kvm package, versions *


Severity

medium

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-CENTOS7-KERNELRTKVM-6377823
  • published 5 Mar 2024
  • disclosed 2 Mar 2024

How to fix?

There is no fixed version for Centos:7 kernel-rt-kvm.

NVD Description

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

Bluetooth: hci_codec: Fix leaking content of local_codecs

The following memory leak can be observed when the controller supports codecs which are stored in local_codecs list but the elements are never freed:

unreferenced object 0xffff88800221d840 (size 32): comm "kworker/u3:0", pid 36, jiffies 4294898739 (age 127.060s) hex dump (first 32 bytes): f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff ..........!..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffb324f557>] __kmalloc+0x47/0x120 [<ffffffffb39ef37d>] hci_codec_list_add.isra.0+0x2d/0x160 [<ffffffffb39ef643>] hci_read_codec_capabilities+0x183/0x270 [<ffffffffb39ef9ab>] hci_read_supported_codecs+0x1bb/0x2d0 [<ffffffffb39f162e>] hci_read_local_codecs_sync+0x3e/0x60 [<ffffffffb39ff1b3>] hci_dev_open_sync+0x943/0x11e0 [<ffffffffb396d55d>] hci_power_on+0x10d/0x3f0 [<ffffffffb30c99b4>] process_one_work+0x404/0x800 [<ffffffffb30ca134>] worker_thread+0x374/0x670 [<ffffffffb30d9108>] kthread+0x188/0x1c0 [<ffffffffb304db6b>] ret_from_fork+0x2b/0x50 [<ffffffffb300206a>] ret_from_fork_asm+0x1a/0x30

CVSS Scores

version 3.1
Expand this section

Snyk

7.1 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

7.1 high
Expand this section

SUSE

5.5 medium