CVE-2023-53597 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-772 — Missing Release of Resource after Effective Lifetime5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 4

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix mid leak during reconnection after timeout threshold When the number of responses with status of STATUS_IO_TIMEOUT exceeds a specified threshold (NUM_STATUS_IO_TIMEOUT), we reconnect the connection. But we do not return the mid, or the credits returned for the mid, or reduce the number of in-flight requests. This bug could result in the server->in_flight count to go bad, and also cause a leak in the mids. This chan…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel5.9.5 — 5.15.150+3
▶Debianlinux/linux_kernel< 6.1.52-1+2
▶CVEListV5linux/linux8e670f77c4a55013db6d23b962f9bf6673a5e7b6 — df31d05f0678cdd0796ea19983a2b93edca18bb0+5
▶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-2023-53597: In the Linux kernel, the following vulnerability has been resolved: cifs: fix mid leak during reconnection after timeout threshold When the number of↗2025-10-04
▶
GHSA
GHSA-g6xj-m5qj-cqp6: In the Linux kernel, the following vulnerability has been resolved: cifs: fix mid leak during reconnection after timeout threshold When the number o↗2025-10-04
▶

📋Vendor Advisories

2
Red Hat
kernel: cifs: fix mid leak during reconnection after timeout threshold↗2025-10-04
▶
Debian
CVE-2023-53597: linux - In the Linux kernel, the following vulnerability has been resolved: cifs: fix m...↗2023
▶