CVEvulnerability
CVE-2026-72082
- Status
- Received
- Published
- 2026-08-15
- Last modified
- 2026-08-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()
When efct_hw_reqtag_alloc() fails in efct_hw_io_abort(), the error path
returns -ENOSPC without releasing the reference obtained via
kref_get_unless_zero() earlier in the function. All other error paths
correctly drop the reference. This causes a permanent reference leak on the
io_to_abort object.
Additionally, the abort_in_progress flag is left set to true on this path,
which means future abort attempts for the same I/O will immediately return
-EINPROGRESS even though the abort was never submitted, effectively
blocking recovery.
Fix this by adding the missing kref_put() call and reset abort_in_progress
to false, matching the cleanup done in the efct_hw_wq_write() failure path
below.
References
- https://git.kernel.org/stable/c/1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7 git.kernel.org
- https://git.kernel.org/stable/c/2c007acf7b31c39c08ce4959451ad00b19be4c1f git.kernel.org
- https://git.kernel.org/stable/c/62cf39a9770a6f29df59fd0edb0a05234a8b07f2 git.kernel.org
- https://git.kernel.org/stable/c/747eaead2db298abfda2aa505f6d03775b40fe5f git.kernel.org
- https://git.kernel.org/stable/c/9b871369cbb4532f6715e044d6b9c4ceb036e5b6 git.kernel.org
- https://git.kernel.org/stable/c/cf97ea7b164a1881c7219f5222219c9d0fac4204 git.kernel.org
- https://git.kernel.org/stable/c/faa59add4808fbf92e7d15bfd8770d2682c2b953 git.kernel.org