UBUNTU-CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68132

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2026-68150 fs/super: fix emergency thaw double-unlock of s_umount

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68132 super: fix emergency thaw deadlock on frozen block devices

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2026-68132 super: fix emergency thaw deadlock on frozen block devices

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2025-40237

No description is available for this CVE. Mitigation Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability...

CVE-2025-40237

In the Linux kernel, the following vulnerability has been resolved: fs/notify: call exportfsencodefid with sumount Calling intotifyshowfdinfo on fd watching an overlayfs inode, while the overlayfs is being unmounted, can lead to dereferencing NULL ptr. This issue was found by syzkaller. Race...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel, which stems from exportfsencodefid not being called with sumount protection, which could lead to a null pointer dereference...

CVE-2025-23132 f2fs: quota: fix to avoid warning in dquot_writeback_dquots()

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

CVE-2024-49903 jfs: Fix uaf in dbFreeBits

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits syzbot reported ================================================================== BUG: KASAN: slab-use-after-free in mutexlockcommon kernel/locking/mutex.c:587 inline BUG: KASAN: slab-use-after-free in...

CVE-2024-49903 jfs: Fix uaf in dbFreeBits

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits syzbot reported ================================================================== BUG: KASAN: slab-use-after-free in mutexlockcommon kernel/locking/mutex.c:587 inline BUG: KASAN: slab-use-after-free in...

CVE-2024-47691 f2fs: fix to avoid use-after-free in f2fs_stop_gc_thread()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free in f2fsstopgcthread syzbot reports a f2fs bug as below: dumpstack lib/dumpstack.c:88 inline dumpstacklvl+0x241/0x360 lib/dumpstack.c:114 printreport+0xe8/0x550 mm/kasan/report.c:491...

CVE-2024-26658 bcachefs: grab s_umount only if snapshotting

In the Linux kernel, the following vulnerability has been resolved: bcachefs: grab sumount only if snapshotting When I was testing mongodb over bcachefs with compression, there is a lockdep warning when snapshotting mongodb data volume. $ cat test.sh prog=bcachefs $prog subvolume create /mnt/data...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from a security flaw in grab sumount...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2015:1623 Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS...