CVE - CVE-2022-49274

CVE-ID
CVE-2022-49274	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: ocfs2: fix crash when mount with quota enabled There is a reported crash when mounting ocfs2 with quota enabled. RIP: 0010:ocfs2_qinfo_lock_res_init+0x44/0x50 [ocfs2] Call Trace: ocfs2_local_read_info+0xb9/0x6f0 [ocfs2] dquot_load_quota_sb+0x216/0x470 dquot_load_quota_inode+0x85/0x100 ocfs2_enable_quotas+0xa0/0x1c0 [ocfs2] ocfs2_fill_super.cold+0xc8/0x1bf [ocfs2] mount_bdev+0x185/0x1b0 legacy_get_tree+0x27/0x40 vfs_get_tree+0x25/0xb0 path_mount+0x465/0xac0 __x64_sys_mount+0x103/0x140 It is caused by when initializing dqi_gqlock, the corresponding dqi_type and dqi_sb are not properly initialized. This issue is introduced by commit 6c85c2c72819, which wants to avoid accessing uninitialized variables in error cases. So make global quota info properly initialized.
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/01931e1c4e3de5d777253acae64c0e8fd071a1dd URL:https://git.kernel.org/stable/c/01931e1c4e3de5d777253acae64c0e8fd071a1dd MISC:https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31 URL:https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31 MISC:https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921 URL:https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921 MISC:https://git.kernel.org/stable/c/eda31f77317647b9fbf889779ee1fb6907651865 URL:https://git.kernel.org/stable/c/eda31f77317647b9fbf889779ee1fb6907651865
Assigning CNA
kernel.org
Date Record Created
20250226	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 (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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