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prionPRIOn knowledge basePRION:CVE-2023-4385
HistoryAug 16, 2023 - 5:15 p.m.

Null pointer dereference

2023-08-1617:15:00
PRIOn knowledge base
www.prio-n.com
9
null pointer
dereference
jfs
dbfree
crash
linux kernel
missing sanity check

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.

CPENameOperatorVersion
linux_kernelle5.18.19

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%