CVE - CVE-2022-49033

CVE-ID
CVE-2022-49033	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 URL:https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 MISC:https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 URL:https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 MISC:https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 URL:https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 MISC:https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 URL:https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 MISC:https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be URL:https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be MISC:https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 URL:https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 MISC:https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 URL:https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 MISC:https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955 URL:https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955
Assigning CNA
kernel.org
Date Record Created
20240822	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240822)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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