Use After Free Affecting kernel-default-livepatch package, versions <5.14.21-150400.24.125.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES154-KERNELDEFAULTLIVEPATCH-7462210
  • published17 Jul 2024
  • disclosed16 Jul 2024

Introduced: 16 Jul 2024

CVE-2021-47571  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-default-livepatch to version 5.14.21-150400.24.125.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch package and not the kernel-default-livepatch package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

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

staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()

The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that.

CVSS Scores

version 3.1