CVE-2023-3397— Kernel: slab-use-after-free write in txend due to race condition
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I. Basic Information for CVE-2023-3397
Vulnerability Information
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Vulnerability Title
Kernel: slab-use-after-free write in txend due to race condition
Source: NVD (National Vulnerability Database)
Vulnerability Description
A race condition occurred between the functions lmLogClose and txEnd in JFS, in the Linux Kernel, executed in different threads. This flaw allows a local attacker with normal user privileges to crash the system or leak internal kernel information.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux Kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux Kernel 存在安全漏洞，该漏洞源于函数lmLogClose和txEnd存在条件竞争漏洞。本地攻击者可利用该漏洞使系统崩溃或泄露内部内核信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 |
II. Public POCs for CVE-2023-3397
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|---|
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Same Patch Batch · Red Hat · 2023-11-01 · 4 CVEs total
| CVE-2023-5178 | 8.8 HIGH | Kernel: use after free in nvmet_tcp_free_crypto in nvme |
| CVE-2023-3972 | 7.8 HIGH | Insights-client: unsafe handling of temporary files and directories |
| CVE-2023-5625 | 5.3 MEDIUM | Python-eventlet: patch regression for cve-2021-21419 in some red hat builds |
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V. Comments for CVE-2023-3397
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