CVE-2023-53377

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Source
https://cve.org/CVERecord?id=CVE-2023-53377
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53377.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-53377
Downstream
Related
Published
2025-09-18T13:33:23.162Z
Modified
2026-03-20T12:33:07.795865Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
cifs: prevent use-after-free by freeing the cfile later
Details

In the Linux kernel, the following vulnerability has been resolved:

cifs: prevent use-after-free by freeing the cfile later

In smb2compoundop we have a possible use-after-free which can cause hard to debug problems later on.

This was revealed during stress testing with KASAN enabled kernel. Fixing it by moving the cfile free call to a few lines below, after the usage.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53377.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
76894f3e2f71177747b8b4763fb180e800279585
Fixed
4fe07d55a5461e66a55fbefb57f85ff0facea32b
Fixed
b6353518ef8180816e863aa23b06456f395404d6
Fixed
d017880782cf71f8820ee4a2002843893176501d
Fixed
33f736187d08f6bc822117629f263b97d3df4165
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
2d046892a493d9760c35fdaefc3017f27f91b621

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53377.json"