CVE-2026-23216None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() In iscsit_dec_conn_usage_count(), the function calls complete() while holding the conn->conn_u…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
In iscsit_dec_conn_usage_count(), the function calls complete() while holding the conn->conn_usage_lock. As soon as complete() is invoked, the waiter (such as iscsit_close_connection()) may wake up and proceed to free the iscsit_conn structure.
If the waiter frees the memory before the current thread reaches spin_unlock_bh(), it results in a KASAN slab-use-after-free as the function attempts to release a lock within the already-freed connection structure.
Fix this by releasing the spinlock before calling complete().
Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < ba684191437380a07b27666eb4e72748be1ea201Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 8518f072fc92921418cd9ed4268dd4f3e9a8fd75Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 275016a551ba1a068a3bd6171b18611726b67110Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 73b487d44bf4f92942629d578381f89c326ff77fLinux >= e48354ce078c079996f89d715dfa44814b4eba01 < 48fe983e92de2c59d143fe38362ad17ba23ec7f3Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 3835e49e146a4e6e7787b29465f1a23379b6ec44Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 9411a89e9e7135cc459178fa77a3f1d6191ae903Linux 3.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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