CVE-2023-53033 Affecting dlm-kmp-default package, versions <5.14.21-150400.24.161.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-SLES154-DLMKMPDEFAULT-9686557
  • published11 Apr 2025
  • disclosed10 Apr 2025

Introduced: 10 Apr 2025

NewCVE-2023-53033  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 dlm-kmp-default to version 5.14.21-150400.24.161.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dlm-kmp-default package and not the dlm-kmp-default 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:

netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits

If the offset + length goes over the ethernet + vlan header, then the length is adjusted to copy the bytes that are within the boundaries of the vlan_ethhdr scratchpad area. The remaining bytes beyond ethernet + vlan header are copied directly from the skbuff data area.

Fix incorrect arithmetic operator: subtract, not add, the size of the vlan header in case of double-tagged packets to adjust the length accordingly to address CVE-2023-0179.

CVSS Base Scores

version 3.1