CVE-2021-47538 Affecting kernel-default-livepatch package, versions <5.3.18-150300.59.164.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES153-KERNELDEFAULTLIVEPATCH-7368427
  • published25 Jun 2024
  • disclosed24 Jun 2024

Introduced: 24 Jun 2024

CVE-2021-47538  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-default-livepatch to version 5.3.18-150300.59.164.1 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:15.3 relevant fixed versions and status.

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

rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()

Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local.

[DH: v2: Changed to abstract the peer freeing code out into a function]

CVSS Scores

version 3.1