CVE-2023-4385

Summary

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.

Affected Software

Weaknesses

• CWE-476: NULL Pointer Dereference

ADP Enrichment

CVE Program Container

Additional References

• https://access.redhat.com/security/cve/CVE-2023-4385
• https://bugzilla.redhat.com/show_bug.cgi?id=2219272
• https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://access.redhat.com/security/cve/CVE-2023-4385
• https://bugzilla.redhat.com/show_bug.cgi?id=2219272
• https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f

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