PT-2025-37688 · Linux+5 · Linux Kernel+5
Published
2023-01-01
·
Updated
2026-05-26
·
CVE-2023-53247
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw exists in the Linux kernel's btrfs subsystem related to the handling of subpages during file expansion. Specifically, the issue occurs in the
btrfs cont expand function where set page extent mapped was called before reading a folio. This could lead to a kernel panic if release folio() cleared the page private data while the page remained in the file mapping, causing an assertion failure in btrfs subpage assert.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Assertion Failure
Buffer Overflow
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Related Identifiers
Affected Products
Astra Linux
Debian
Linux Kernel
Red Os
Suse
Btrfs