CVE-2023-52974 Affecting kernel-obs-build package, versions <5.3.18-150300.59.201.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-SLES153-KERNELOBSBUILD-9717927
  • published16 Apr 2025
  • disclosed15 Apr 2025

Introduced: 15 Apr 2025

NewCVE-2023-52974  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-obs-build to version 5.3.18-150300.59.201.1 or higher.

NVD Description

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

scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress

If during iscsi_sw_tcp_session_create() iscsi_tcp_r2tpool_alloc() fails, userspace could be accessing the host's ipaddress attr. If we then free the session via iscsi_session_teardown() while userspace is still accessing the session we will hit a use after free bug.

Set the tcp_sw_host->session after we have completed session creation and can no longer fail.

CVSS Base Scores

version 3.1