Home

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix blktrace debugfs entries leakage Commit 99d055b4fd4b ("block: remove per-disk debugfs files in blk_unregister_queue") moves blk_trace_shutdown() from blk_release_queue() to blk_unregister_queue(), this is safe if blktrace is created through sysfs, however, there is a regression in corner case. blktrace can still be enabled after del_gendisk() through ioctl if the disk is opened before del_gendisk(), and if blktrace is not shutdown through ioctl before closing the disk, debugfs entries will be leaked. Fix this problem by shutdown blktrace in disk_release(), this is safe because blk_trace_remove() is reentrant.

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | Assigner Linux

Product status

Default status
unaffected

99d055b4fd4bbb309c6cdb51a0d420669f777944 (git) before aa07e56c6a9c7558165690d14eed4fe8babf34fb
affected

99d055b4fd4bbb309c6cdb51a0d420669f777944 (git) before 7149e57cf01184fba175589f8fbe9fbf33be02e1
affected

99d055b4fd4bbb309c6cdb51a0d420669f777944 (git) before 942e81650b81b4ca62f1d8c61de455c9e7c7e6ca
affected

99d055b4fd4bbb309c6cdb51a0d420669f777944 (git) before dd7de3704af9989b780693d51eaea49a665bd9c2
affected

Default status
affected

5.19
affected

Any version before 5.19
unaffected

6.1.39 (semver)
unaffected

6.3.13 (semver)
unaffected

6.4.4 (semver)
unaffected

6.5 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/aa07e56c6a9c7558165690d14eed4fe8babf34fb

git.kernel.org/...c/7149e57cf01184fba175589f8fbe9fbf33be02e1

git.kernel.org/...c/942e81650b81b4ca62f1d8c61de455c9e7c7e6ca

git.kernel.org/...c/dd7de3704af9989b780693d51eaea49a665bd9c2

cve.org (CVE-2023-54209)

nvd.nist.gov (CVE-2023-54209)

Download JSON

Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.