Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a leak of kobject names for the sub-group spaceinfo. When the createspaceinfosubgroup function allocates elements of spaceinfo-subgroup, the kobjectinitandadd function is called for each element via...

btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak

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CVE-2026-46159 btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

CVE-2026-46159

The CVE-2026-46159 issue affects the Linux kernel’s Btrfs code, specifically btrfs_ioctl_space_info(). A TOCTOU race occurs between two passes over block group RAID type lists: the first pass counts entries for allocation, the second fills the buffer and releases the groups_sem lock. If entries s...

CVE-2026-46159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

EUVD-2026-32786

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

Linux Distros Unpatched Vulnerability : CVE-2026-31434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix leak of kobject name for sub-group spaceinfo When createspaceinfosubgroup allocates elements of spaceinfo-subgroup, kobjectinitandadd is called for...

btrfs: fix racy bitfield write in btrfs_clear_space_info_full()

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EUVD-2025-205096

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

CVE-2025-68358 btrfs: fix racy bitfield write in btrfs_clear_space_info_full()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

CVE-2025-68358

CVE-2025-68358 (Linux kernel, btrfs) : A race condition was fixed in btrfs_clear_space_info_full() that updated bitfield members (full, chunk_alloc, flush) without holding the space_info lock, risking corruption of adjacent fields due to non-atomic read-modify-write sequences on bitfields. The fi...

UBUNTU-CVE-2025-22115

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups Block group creation is done in two phases, which results in a slightly unintuitive property: a block group can be allocated/deallocated from after...

CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

SUSE CVE-2021-38203

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service deadlock via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system spaceinfo...

UBUNTU-CVE-2021-38203

btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service deadlock via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system spaceinfo...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. Linux kernel is vulnerable due to a deadlock flaw in btrfs when there is not enough free space in system spaceinfo. A local attacker can exploit this vulnerability to cause a denial of service situation...