Improper Initialization Affecting kernel-livepatch-5_3_18-150300_59_43-default package, versions <1-150300.7.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.32% (24th percentile)

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  • Snyk IDSNYK-SLES153-KERNELLIVEPATCH53181503005943DEFAULT-2647247
  • published14 Apr 2022
  • disclosed26 Jan 2022

Introduced: 26 Jan 2022

CVE-2021-46283  (opens in a new tab)
CWE-665  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-livepatch-5_3_18-150300_59_43-default to version 1-150300.7.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-150300_59_43-default package and not the kernel-livepatch-5_3_18-150300_59_43-default package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

nf_tables_newset in net/netfilter/nf_tables_api.c in the Linux kernel before 5.12.13 allows local users to cause a denial of service (NULL pointer dereference and general protection fault) because of the missing initialization for nft_set_elem_expr_alloc. A local user can set a netfilter table expression in their own namespace.

CVSS Base Scores

version 3.1