CVE-2025-40099 Affecting kernel-livepatch-6_4_0-150700_53_34-default package, versions <1-150700.15.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.38% (31st percentile)

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  • Snyk IDSNYK-SLES157-KERNELLIVEPATCH6401507005334DEFAULT-15851260
  • published31 Mar 2026
  • disclosed26 Mar 2026

Introduced: 26 Mar 2026

CVE-2025-40099  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-livepatch-6_4_0-150700_53_34-default to version 1-150700.15.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6_4_0-150700_53_34-default package and not the kernel-livepatch-6_4_0-150700_53_34-default package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

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

cifs: parse_dfs_referrals: prevent oob on malformed input

Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS

  • reply smaller than sizeof(struct get_dfs_referral_rsp)
  • reply with number of referrals smaller than NumberOfReferrals in the header

Processing of such replies will cause oob.

Return -EINVAL error on such replies to prevent oob-s.

CVSS Base Scores

version 3.1