CVE-2023-53311 — Use After Free in Linux

CWE-416 — Use After Free5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 95.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 16

Description

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput During unmount process of nilfs2, nothing holds nilfs_root structure after nilfs2 detaches its writer in nilfs_detach_log_writer(). Previously, nilfs_evict_inode() could cause use-after-free read for nilfs_root if inodes are left in "garbage_list" and released by nilfs_dispose_list at the end of nilfs_detach_log_writer(), and this bug was fixed by commit 9b5a…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel4.0 — 4.14.323+7
▶Debianlinux/linux_kernel< 5.10.191-1+3
▶CVEListV5linux/linux0ae45f63d4ef8d8eeec49c7d8b44a1775fff13e8 — 11afd67f1b3c28eb216e50a3ca8dbcb69bb71793+8
▶debiandebian/linux< linux 6.1.52-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2023-53311: In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput During unmoun↗2025-09-16
▶
GHSA
GHSA-53rx-6x56-6g2f: In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput During unmo↗2025-09-16
▶

📋Vendor Advisories

2
Red Hat
kernel: nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput↗2025-09-16
▶
Debian
CVE-2023-53311: linux - In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix...↗2023
▶
CVE-2023-53311 — Use After Free in Linux | cvebase