CVE-2023-54280

criticalpriority · track · 0EPSS 0.005 · 44 %ileDEEU
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.52% (44th) EPSS
CVSS 9.8 · critical
Is it mine?
26 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cert_bund · suse_csaf

EPSS · scored 2026-10-27

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedkernel-devel-rt-0:5.14.21-150500.13.118.1.noarch as component of SUSE Linux Enterprise Micro 5.5suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-rt-0:5.14.21-150500.13.118.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-source-rt-0:5.14.21-150500.13.118.1.noarch as component of SUSE Linux Enterprise Micro 5.5suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-rt-0:5.14.21-150400.15.142.1.x86_64 as component of SUSE Linux Enterprise Micro 5.3suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-rt-0:5.14.21-150400.15.142.1.x86_64 as component of SUSE Linux Enterprise Micro 5.4suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-source-rt-0:5.14.21-150400.15.142.1.noarch as component of SUSE Linux Enterprise Micro 5.3suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

  • Fixedkernel-source-rt-0:5.14.21-150400.15.142.1.noarch as component of SUSE Linux Enterprise Micro 5.4suse_csaf

    To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.6–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.16.6mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · SUSE Product Security
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USLLM-inferred
04

affected products (26)

Products and version ranges known to be affected.

showing 20 of 26
05

advisories (3)

Vendor and ecosystem advisories describing this.

  • SUSE-SU-2026:0263-1Security update for the Linux Kernel2026-01-22csaf · suse_csafDE

    Security update for the Linux Kernel

  • SUSE-SU-2026:0411-1Security update for the Linux Kernel2026-02-09csaf · suse_csafDE

    Security update for the Linux Kernel

  • WID-SEC-W-2025-2941Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-12-30csaf · cert_bundDE

    Ein Angreifer kann diese Schwachstellen ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu Denial‑of‑Service, Speicherbeschädigung oder weiteren nicht definierten Auswirkungen führen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2025-12-30modified 2026-10-15
08

references (11)

External citations — patches, advisories, analysis.

scry

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