CVE-2023-52480
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-52480
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52480.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-52480
- Downstream
- Published
- 2024-02-29T06:15:46Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix race condition between session lookup and expire
Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase(&conn->sessions, sess->id); | | ksmbdsessiondestroy(sess) --> kfree(sess) | // UAF! | sess->last_active = jiffies | +
This patch add rwsem to fix race condition between ksmbdsessionlookup and ksmbdexpiresession.
- References