CVE-2023-1195

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2023-05-19. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
9th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

May 18, 2023

Last Modified

March 18, 2025

References (2)

Vendor Advisories for CVE-2023-1195(6)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(9)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-5.19.0-1021-lowlatency-64k (5.19.0-1021.22) @ kinetic2026-05-25ubuntu
ubuntulinux-modules-ipu6-5.19.0-38-generic (5.19.0-38.39~22.04.1) @ jammy2026-05-25ubuntu
redhatkernel-0:4.18.0-372.87.1.el8_62024-01-25redhat
redhatkernel-0:5.14.0-70.85.1.el9_02024-01-25redhat
redhatkernel-rt-0:5.14.0-70.85.1.rt21.156.el9_02024-01-25redhat
redhatkernel-rt-0:4.18.0-477.10.1.rt7.274.el8_82023-05-16redhat
redhatkernel-0:4.18.0-477.10.1.el8_82023-05-16redhat
redhatkernel-rt-0:5.14.0-284.11.1.rt14.296.el9_22023-05-09redhat
redhatkernel-0:5.14.0-284.11.1.el9_22023-05-09redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(4)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 3× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 168 total refreshes for this CVE.

  1. 2026-10-03 14:23 UTCEPSS rescore
  2. 2026-09-30 16:14 UTCEG score recompute
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-1195?
CVE-2023-1195 is a medium vulnerability published on May 18, 2023. A use-after-free flaw was found in reconnsetipaddrfromhostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.
When was CVE-2023-1195 disclosed?
CVE-2023-1195 was first published on May 18, 2023, with the most recent update on March 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-1195 actively exploited?
CVE-2023-1195 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2023-1195?
CVE-2023-1195 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2023-1195?
A fix for CVE-2023-1195 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2023-1195 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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