CVE-2023-53358 — Use After Free in Linux

CWE-416 — Use After Free5 documents5 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 96.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 17

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel5.15 — 5.15.145+3
▶Debianlinux/linux_kernel< 6.1.37-1+2
▶CVEListV5linux/linux0626e6641f6b467447c81dd7678a69c66f7746cf — b36295c17fb97424406f0c3ab321b1ccaabb9be8+5
▶debiandebian/linux< linux 6.1.37-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2023-53358: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue unde↗2025-09-17
▶
GHSA
GHSA-j8wr-29h3-4xqr: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue un↗2025-09-17
▶

📋Vendor Advisories

2
Red Hat
kernel: ksmbd: fix racy issue under cocurrent smb2 tree disconnect↗2025-09-17
▶
Debian
CVE-2023-53358: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix ...↗2023
▶
CVE-2023-53358 — Use After Free in Linux | cvebase