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Information Exposure Affecting kernel-obs-build package, versions <4.12.14-25.28.1

Severity

 Recommended
low

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-SLES150-KERNELOBSBUILD-2758151
  • published14 Apr 2022
  • disclosed1 Feb 2019
Report a new vulnerability Found a mistake?

Introduced: 1 Feb 2019

CVE-2018-19854  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-obs-build to version 4.12.14-25.28.1 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:15.0 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).