Bug 2426018 (CVE-2023-54264) - CVE-2023-54264 kernel: fs/sysv: Null check to prevent null-ptr-deref bug
Summary: CVE-2023-54264 kernel: fs/sysv: Null check to prevent null-ptr-deref bug
Keywords:
Status: NEW
Alias: CVE-2023-54264
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-30 13:02 UTC by OSIDB Bzimport
Modified: 2025-12-31 15:23 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2025-12-30 13:02:23 UTC 
In the Linux kernel, the following vulnerability has been resolved:

fs/sysv: Null check to prevent null-ptr-deref bug

sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on
that leads to the null-ptr-deref bug.
Comment 1 Alexander B 2025-12-31 15:18:01 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123058-CVE-2023-54264-64bd@gregkh/T
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