CVE-2026-63804 gfs2: fix use-after-free in gfs2_qd_dealloc

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix use-after-free in gfs2qddealloc gfs2qddealloc, called as an RCU callback from gfs2qddispose, accesses the superblock object sdp through qd-qdsbd after freeing qd. It does so to decrement sdquotacount and wake up...

EUVD-2026-32327

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in qdput Commit a475c5dd16e5 "gfs2: Free quota data objects synchronously" started freeing quota data objects during filesystem shutdown instead of putting them back onto the LRU list, but it failed ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gfs2: Fixed a slab-use-after-free issue in gfs2qddealloc. In gfs2putsuper, regardless of whether it is withdrawn or not, the quota should be cleaned up using gfs2quotacleanup. Otherwise, the struct gfs2sbd will be freed before...

AZL-42246 CVE-2023-52760 affecting package kernel for versions less than 5.15.167.1-2

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc In gfs2putsuper, whether withdrawn or not, the quota should be cleaned up by gfs2quotacleanup. Otherwise, struct gfs2sbd will be freed before gfs2qddealloc rcu callback has run for a...

PT-2023-9197

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a use-after-free vulnerability in the gfs2 file system, specifically in the gfs2 put super function. This vulnerability can be exploited to impact the...

SUSE CVE-2010-1436

gfs2 in the Linux kernel 2.6.18, and possibly other versions, does not properly handle when the gfs2quota struct occupies two separate pages, which allows local users to cause a denial of service kernel panic via certain manipulations that cause an out-of-bounds write, as demonstrated by writing...