CVE-2023-3397

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

CVSS 7 HIGHEPSS 0.2%CWE-416

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Nov 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Red Hat · Red Hat Enterprise Linux 6 Red Hat · Red Hat Enterprise Linux 7 Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 9

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