CVE-2021-4149
5.5MEDIUMA vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial
Published: 3/23/2022Updated: 11/21/2024
Description
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
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Affected Products
linuxlinux_kernel
linuxlinux_kernel
5.15
linuxlinux_kernel
5.15
linuxlinux_kernel
5.15
linuxlinux_kernel
5.15
linuxlinux_kernel
5.15
linuxlinux_kernel
5.15
debiandebian_linux
9.0
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2026485Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListThird Party Advisory
- https://lkml.org/lkml/2021/10/18/885ExploitMailing ListPatchThird Party Advisory
- https://lkml.org/lkml/2021/9/13/2565ExploitMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2026485Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListThird Party Advisory
- https://lkml.org/lkml/2021/10/18/885ExploitMailing ListPatchThird Party Advisory
- https://lkml.org/lkml/2021/9/13/2565ExploitMailing ListThird Party Advisory