CVE-2023-52480
ksmbd: fix race condition between session lookup and expire
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.
INFO
Published Date :
Feb. 29, 2024, 6:15 a.m.
Last Modified :
Jan. 13, 2025, 5:05 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the affected kernel package.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-52480.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-52480 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-52480
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-52480 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-52480 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.145 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.57 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.5.7 *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:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be No Types Assigned https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be Patch Changed Reference Type https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be No Types Assigned https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be Patch Changed Reference Type https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f No Types Assigned https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f Patch Changed Reference Type https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f No Types Assigned https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f Patch Changed Reference Type https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b No Types Assigned https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b Patch Changed Reference Type https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b No Types Assigned https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b Patch Changed Reference Type https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f No Types Assigned https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f Patch Changed Reference Type https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f No Types Assigned https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be Added Reference https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f Added Reference https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b Added Reference https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 29, 2024
Action Type Old Value New Value Added 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. Added Reference Linux https://git.kernel.org/stable/c/c77fd3e25a51ac92b0f1b347a96eff6a0b4f066f [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/a2ca5fd3dbcc665e1169044fa0c9e3eba779202b [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/18ced78b0ebccc2d16f426143dc56ab3aad666be [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/53ff5cf89142b978b1a5ca8dc4d4425e6a09745f [No types assigned]