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Critical severity9.8NVD Advisory· Published Feb 29, 2024· Updated Aug 15, 2026

CVE-2023-52480

CVE-2023-52480

Description

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

ksmbd: fix race condition between session lookup and expire

Thread A + Thread B ksmbd_session_lookup | smb2_sess_setup sess = xa_load | | | xa_erase(&conn->sessions, sess->id); | | ksmbd_session_destroy(sess) --> kfree(sess) | // UAF! | sess->last_active = jiffies | +

This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8

Linux/Kernel7 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<5.15.145
- cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc4:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 5.15
osv-coords
pkg:linux/kernel
Range: < 6.1.57

Patches

Vulnerability mechanics

References

4

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0

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