What’s Vulnerable › Vulnerabilities

CVE-2023-3397: Kernel: slab-use-after-free write in txend due to race condition

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-01 · updated 2026-10-29
• Weakness: CWE-416

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.

Affected products

• Linux kernel: all versions

References

• https://access.redhat.com/security/cve/CVE-2023-3397
• https://bugzilla.redhat.com/show_bug.cgi?id=2217271
• https://www.spinics.net/lists/kernel/msg4788636.html
• https://access.redhat.com/security/cve/CVE-2023-3397
• https://bugzilla.redhat.com/show_bug.cgi?id=2217271
• https://www.spinics.net/lists/kernel/msg4788636.html

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