UBUNTU-CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: xfs: check for deleted cursors when revalidating two btrees The free space and inode btree repair functions will rebuild both btrees at the same time, after which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2025-38059

The CVE-2025-38059 entry documents a Linux kernel data integrity issue in btrfs: when using rescue=idatacsums, scrub can trigger a NULL pointer dereference due to not loading the csum tree. Concrete root cause: scrub path may call btrfs_search_slot() on a NULL pointer because the NO_DATA_CSUMS fl...

UBUNTU-CVE-2025-21658

In the Linux kernel, the following vulnerability has been resolved: btrfs: avoid NULL pointer dereference if no valid extent tree BUG Syzbot reported a crash with the following call trace: BTRFS info device loop0: scrub: started on devid 1 BUG: kernel NULL pointer dereference, address:...

Linux kernel 代码问题漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A code issue vulnerability exists in Linux kernel that stems from the btrfs module failing to check the validity of the extended tree during a scrub operation. This could resul...

AZL-55369 CVE-2024-56774 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: add a sanity check for btrfs root in btrfssearchslot Syzbot reports a null-ptr-deref in btrfssearchslot. The reproducer is using rescue=ibadroots, and the extent tree root is corrupted thus the extent tree is NULL. When...