UBUNTU-CVE-2022-49033
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit() Syzkaller reported BUG as follows: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 Call Trace: <TASK> dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in btrfs_run_qgroups() later outside of the spinlock context.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•linux
all | < 4.4.0-280.314 | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 4.4.0-1154.160 | < 4.4.0-1192.207 | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1031.35~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1097.105~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
< 4.15.0-2090.96 | all | < 5.4.0-1099.107+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1151.164~16.04.1
- ubuntu•linux-azure
< 4.15.0-1162.177~14.04.1 | < 4.15.0-1162.177~16.04.1 | all | < 5.4.0-1104.110 | < 5.15.0-1034.41
- ubuntu•linux-azure-4.15
< 4.15.0-1162.177
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1034.41~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1104.110~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1034.41.1
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2071.77 | all | < 5.4.0-1104.110+fips1
- ubuntu•linux-bluefield
< 5.15.0-1014.16 | < 5.4.0-1059.65 | < 5.15.0-1014.16 | all
- ubuntu•linux-fips
all | < 4.15.0-1108.119 | < 5.4.0-1073.82
- ubuntu•linux-gcp
< 4.15.0-1146.162~16.04.1 | all | < 5.4.0-1101.110 | < 5.15.0-1030.37
- ubuntu•linux-gcp-4.15
< 4.15.0-1146.162
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1030.37~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1101.110~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
< 4.15.0-2055.60 | all | < 5.4.0-1101.110+fips1
- ubuntu•linux-gke
all | < 5.15.0-1028.33
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
Showing first 50 affected entries in server-rendered view.
References (12)
- https://ubuntu.com/security/CVE-2022-49033
- https://www.cve.org/CVERecord?id=CVE-2022-49033
- https://git.kernel.org/linus/f7e942b5bb35d8e3af54053d19a6bf04143a3955
- https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be
- https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5
- https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86
- https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462
- https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09
- https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69
- https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133
- https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955
- https://ubuntu.com/security/notices/USN-8274-1