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.
Loading...
Loading...
Score 5.5 from GitHub Security Advisory published 2023-05-19. NVD baseline CVSS 5.5; sources differ by 0.0.
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.
May 18, 2023
March 18, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-tools-5.19.0-1021-lowlatency-64k (5.19.0-1021.22) @ kinetic | 2026-05-25 | ubuntu |
| ubuntu | linux-modules-ipu6-5.19.0-38-generic (5.19.0-38.39~22.04.1) @ jammy | 2026-05-25 | ubuntu |
| redhat | kernel-0:4.18.0-372.87.1.el8_6 | 2024-01-25 | redhat |
| redhat | kernel-0:5.14.0-70.85.1.el9_0 | 2024-01-25 | redhat |
| redhat | kernel-rt-0:5.14.0-70.85.1.rt21.156.el9_0 | 2024-01-25 | redhat |
| redhat | kernel-rt-0:4.18.0-477.10.1.rt7.274.el8_8 | 2023-05-16 | redhat |
| redhat | kernel-0:4.18.0-477.10.1.el8_8 | 2023-05-16 | redhat |
| redhat | kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2 | 2023-05-09 | redhat |
| redhat | kernel-0:5.14.0-284.11.1.el9_2 | 2023-05-09 | redhat |
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.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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.
RHSA-2023:2148 — Moderate
RHSA-2023:2458 — Moderate
RHSA-2023:2736 — Moderate
RHSA-2023:2951 — Moderate
RHSA-2024:0412 — Moderate
RHSA-2024:0431 — Moderate
RHSA-2024:0432 — Moderate
Linux kernel vulnerabilities
Linux kernel (HWE) vulnerabilities
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.
Explore the affected products and dependency analysis for CVE-2023-1195
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.
msrc · redhat
CWE-416