Riskcovery

CVE-2023-53399

ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()

State
Published
Severity
7.5 High
Published
Sep 18, 2025
Updated
Aug 5, 2026
Reserved
Sep 17, 2025

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()

If share is , share->path is NULL and it cause NULL pointer dereference issue.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 227eb2689b44d0d60da3839b146983e73435924cAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before a70751dd7b60eab025e97e19b6b2477c6eaf2bbbAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before b35f6c031b87d9e51f141ff6de0ea59756a8e313Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 1636e09779f83e10e6ed57d91ef94abcefdd206bAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 3ac00a2ab69b34189942afa9e862d5170cdcb018Affected
LinuxLinux
  • 5.15Affected
  • before 5.15Not affected
  • 5.15.111 through 5.15.*Not affected
  • 6.1.28 through 6.1.*Not affected
  • 6.2.15 through 6.2.*Not affected
  • 6.3.2 through 6.3.*Not affected
  • 6.4 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.