cve-2023-52760
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2024-12-19 08:25
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2_qd_dealloc In gfs2_put_super(), whether withdrawn or not, the quota should be cleaned up by gfs2_quota_cleanup(). Otherwise, struct gfs2_sbd will be freed before gfs2_qd_dealloc (rcu callback) has run for all gfs2_quota_data objects, resulting in use-after-free. Also, gfs2_destroy_threads() and gfs2_quota_cleanup() is already called by gfs2_make_fs_ro(), so in gfs2_put_super(), after calling gfs2_make_fs_ro(), there is no need to call them again.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/08a28272faa750d4357ea2cb48d2baefd778ea81Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ad4e0a4f61c57c3ca291ee010a9d677d0199fbaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bdcb8aa434c6d36b5c215d02a9ef07551be25a37Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/08a28272faa750d4357ea2cb48d2baefd778ea81Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7ad4e0a4f61c57c3ca291ee010a9d677d0199fbaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bdcb8aa434c6d36b5c215d02a9ef07551be25a37Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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